Search a number
-
+
22212232210 = 257317317603
BaseRepresentation
bin10100101011111100…
…111100010000010010
32010100000020022100001
4110223330330100102
5330442312412320
614112033120214
71414303600330
oct245374742022
963300208301
1022212232210
119469253903
12437a9b906a
13212caccb8c
14110a028b50
158a00a220a
hex52bf3c412

22212232210 has 16 divisors (see below), whose sum is σ = 45693734976. Its totient is φ = 7615622448.

The previous prime is 22212232153. The next prime is 22212232219. The reversal of 22212232210 is 1223221222.

It is a super-2 number, since 2×222122322102 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22212232219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158658732 + ... + 158658871.

It is an arithmetic number, because the mean of its divisors is an integer number (2855858436).

Almost surely, 222212232210 is an apocalyptic number.

22212232210 is an abundant number, since it is smaller than the sum of its proper divisors (23481502766).

22212232210 is a wasteful number, since it uses less digits than its factorization.

22212232210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317317617.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22212232210 its reverse (1223221222), we get a palindrome (23435453432).

The spelling of 22212232210 in words is "twenty-two billion, two hundred twelve million, two hundred thirty-two thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 317317603 634635206 1586588015 2221223221 3173176030 4442446442 11106116105 22212232210