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2243022222 = 237531007647
BaseRepresentation
bin1000010110110001…
…1100110110001110
312210022122100001010
42011230130312032
514043203202342
61010323430050
7106404242250
oct20554346616
95708570033
102243022222
11a51144881
12527225326
132999159ac
14173c79cd0
15d1db929c
hex85b1cd8e

2243022222 has 32 divisors (see below), whose sum is σ = 5223647232. Its totient is φ = 628771104.

The previous prime is 2243022209. The next prime is 2243022259. The reversal of 2243022222 is 2222203422.

2243022222 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×22430222222 = 10062297376771634568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501598 + ... + 506049.

It is an arithmetic number, because the mean of its divisors is an integer number (163238976).

Almost surely, 22243022222 is an apocalyptic number.

2243022222 is an abundant number, since it is smaller than the sum of its proper divisors (2980625010).

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

2243022222 is a wasteful number, since it uses less digits than its factorization.

2243022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007712.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 2243022222 is about 47360.5555499511. Note that the first 4 decimals coincide. The cubic root of 2243022222 is about 1309.0147053767.

Adding to 2243022222 its reverse (2222203422), we get a palindrome (4465225644).

The spelling of 2243022222 in words is "two billion, two hundred forty-three million, twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 53 106 159 318 371 742 1113 2226 1007647 2015294 3022941 6045882 7053529 14107058 21160587 42321174 53405291 106810582 160215873 320431746 373837037 747674074 1121511111 2243022222