22222131120252 has 72 divisors (see below), whose sum is σ = 66988453249536. Its totient is φ = 6073129000224.

The previous prime is 22222131120209. The next prime is 22222131120271. The reversal of 22222131120252 is 25202113122222.

22222131120252 is a `hidden beast` number, since 222 + 221 + 3 + 11 + 202 + 5 + 2 = 666.

It is a super-2 number, since 2×22222131120252² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1917017248 + ... + 1917028839.

Almost surely, 2^{22222131120252} is an apocalyptic number.

It is an amenable number.

22222131120252 is an abundant number, since it is smaller than the sum of its proper divisors (44766322129284).

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

22222131120252 is a wasteful number, since it uses less digits than its factorization.

22222131120252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3834046127 (or 3834046122 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 22222131120252 its reverse (25202113122222), we get a palindrome (47424244242474).

The spelling of 22222131120252 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred thirty-one million, one hundred twenty thousand, two hundred fifty-two".