22621052 has 12 divisors (see below), whose sum is σ = 41308176. Its totient is φ = 10818720.

The previous prime is 22621051. The next prime is 22621063. The reversal of 22621052 is 25012622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22621051) 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, 122849 + ... + 123032.

It is an arithmetic number, because the mean of its divisors is an integer number (3442348).

Almost surely, 2^22621052 is an apocalyptic number.

It is an amenable number.

22621052 is a deficient number, since it is larger than the sum of its proper divisors (18687124).

22621052 is a wasteful number, since it uses less digits than its factorization.

22621052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245908 (or 245906 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 22621052 is about 4756.1593749579. The cubic root of 22621052 is about 282.8161891626.

Adding to 22621052 its reverse (25012622), we get a palindrome (47633674).

The spelling of 22621052 in words is "twenty-two million, six hundred twenty-one thousand, fifty-two".