23012202222 has 40 divisors (see below), whose sum is σ = 54278301000. Its totient is φ = 7267010256.

The previous prime is 23012202209. The next prime is 23012202229. The reversal of 23012202222 is 22220221032.

23012202222 is a `hidden beast` number, since 230 + 12 + 202 + 222 = 666.

It is a super-2 number, since 2×23012202222² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23012202195 and 23012202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012202229) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3735097 + ... + 3741252.

It is an arithmetic number, because the mean of its divisors is an integer number (1356957525).

Almost surely, 2^23012202222 is an apocalyptic number.

23012202222 is an abundant number, since it is smaller than the sum of its proper divisors (31266098778).

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

23012202222 is a wasteful number, since it uses less digits than its factorization.

23012202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7476382 (or 7476373 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 23012202222 its reverse (22220221032), we get a palindrome (45232423254).

The spelling of 23012202222 in words is "twenty-three billion, twelve million, two hundred two thousand, two hundred twenty-two".