22234252551252 has 72 divisors (see below), whose sum is σ = 60352570160064. Its totient is φ = 6352385050368.

The previous prime is 22234252551241. The next prime is 22234252551337. The reversal of 22234252551252 is 25215525243222.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13929513 + ... + 15443439.

It is an arithmetic number, because the mean of its divisors is an integer number (838230141112).

Almost surely, 2^{22234252551252} is an apocalyptic number.

It is an amenable number.

22234252551252 is an abundant number, since it is smaller than the sum of its proper divisors (38118317608812).

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

22234252551252 is a wasteful number, since it uses less digits than its factorization.

22234252551252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538925 (or 1538916 counting only the distinct ones).

The product of its digits is 960000, while the sum is 42.

Adding to 22234252551252 its reverse (25215525243222), we get a palindrome (47449777794474).

The spelling of 22234252551252 in words is "twenty-two trillion, two hundred thirty-four billion, two hundred fifty-two million, five hundred fifty-one thousand, two hundred fifty-two".