22100532 has 12 divisors (see below), whose sum is σ = 51567936. Its totient is φ = 7366840.

The previous prime is 22100521. The next prime is 22100537. The reversal of 22100532 is 23500122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100537) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 920844 + ... + 920867.

It is an arithmetic number, because the mean of its divisors is an integer number (4297328).

Almost surely, 2^22100532 is an apocalyptic number.

It is an amenable number.

22100532 is an abundant number, since it is smaller than the sum of its proper divisors (29467404).

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

22100532 is a wasteful number, since it uses less digits than its factorization.

22100532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841718 (or 1841716 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 22100532 is about 4701.1202920155. The cubic root of 22100532 is about 280.6300946160.

Adding to 22100532 its reverse (23500122), we get a palindrome (45600654).

The spelling of 22100532 in words is "twenty-two million, one hundred thousand, five hundred thirty-two".