22100552 has 16 divisors (see below), whose sum is σ = 42867900. Its totient is φ = 10669120.

The previous prime is 22100537. The next prime is 22100557. The reversal of 22100552 is 25500122.

It can be written as a sum of positive squares in 2 ways, for example, as 21031396 + 1069156 = 4586^2 + 1034^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22100552.

It is not an unprimeable number, because it can be changed into a prime (22100557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47399 + ... + 47862.

Almost surely, 2^22100552 is an apocalyptic number.

It is an amenable number.

22100552 is a deficient number, since it is larger than the sum of its proper divisors (20767348).

22100552 is a wasteful number, since it uses less digits than its factorization.

22100552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95296 (or 95292 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 22100552 is about 4701.1224191676. The cubic root of 22100552 is about 280.6301792686.

Adding to 22100552 its reverse (25500122), we get a palindrome (47600674).

The spelling of 22100552 in words is "twenty-two million, one hundred thousand, five hundred fifty-two".