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1132222220 = 22561928051
BaseRepresentation
bin100001101111100…
…0101011100001100
32220220110211220022
41003133011130030
54304322102340
6304203241312
740025505263
oct10337053414
92826424808
101132222220
11531123348
12277219238
1315075329c
14aa5295da
15695ed3b5
hex437c570c

1132222220 has 24 divisors (see below), whose sum is σ = 2416647408. Its totient is φ = 445464000.

The previous prime is 1132222211. The next prime is 1132222229. The reversal of 1132222220 is 222222311.

It is an interprime number because it is at equal distance from previous prime (1132222211) and next prime (1132222229).

It is not an unprimeable number, because it can be changed into a prime (1132222229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462806 + ... + 465245.

It is an arithmetic number, because the mean of its divisors is an integer number (100693642).

Almost surely, 21132222220 is an apocalyptic number.

1132222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132222220 is an abundant number, since it is smaller than the sum of its proper divisors (1284425188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1132222220 is a wasteful number, since it uses less digits than its factorization.

1132222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928121 (or 928119 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1132222220 is about 33648.5099224319. The cubic root of 1132222220 is about 1042.2627692386.

Adding to 1132222220 its reverse (222222311), we get a palindrome (1354444531).

Subtracting from 1132222220 its reverse (222222311), we obtain a palindrome (909999909).

The spelling of 1132222220 in words is "one billion, one hundred thirty-two million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 928051 1856102 3712204 4640255 9280510 18561020 56611111 113222222 226444444 283055555 566111110 1132222220