22012000552 has 8 divisors (see below), whose sum is σ = 41272501050. Its totient is φ = 11006000272.

The previous prime is 22012000541. The next prime is 22012000573. The reversal of 22012000552 is 25500021022.

It can be written as a sum of positive squares in only one way, i.e., 21876184836 + 135815716 = 147906^2 + 11654^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375750027 + ... + 1375750042.

Almost surely, 2^22012000552 is an apocalyptic number.

It is an amenable number.

22012000552 is a deficient number, since it is larger than the sum of its proper divisors (19260500498).

22012000552 is a wasteful number, since it uses less digits than its factorization.

22012000552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751500075 (or 2751500071 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

Adding to 22012000552 its reverse (25500021022), we get a palindrome (47512021574).

The spelling of 22012000552 in words is "twenty-two billion, twelve million, five hundred fifty-two", and thus it is an aban number.