22255115252 has 6 divisors (see below), whose sum is σ = 38946451698. Its totient is φ = 11127557624.

The previous prime is 22255115251. The next prime is 22255115263. The reversal of 22255115252 is 25251155222.

It can be written as a sum of positive squares in only one way, i.e., 22077799396 + 177315856 = 148586^2 + 13316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22255115251) 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 as a sum of consecutive naturals, namely, 2781889403 + ... + 2781889410.

It is an arithmetic number, because the mean of its divisors is an integer number (6491075283).

Almost surely, 2^22255115252 is an apocalyptic number.

It is an amenable number.

22255115252 is a deficient number, since it is larger than the sum of its proper divisors (16691336446).

22255115252 is a wasteful number, since it uses less digits than its factorization.

22255115252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5563778817 (or 5563778815 counting only the distinct ones).

The product of its digits is 20000, while the sum is 32.

The spelling of 22255115252 in words is "twenty-two billion, two hundred fifty-five million, one hundred fifteen thousand, two hundred fifty-two".