22642630 has 16 divisors (see below), whose sum is σ = 40811040. Its totient is φ = 9044992.

The previous prime is 22642561. The next prime is 22642637. The reversal of 22642630 is 3624622.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22642595 and 22642604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22642637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13287 + ... + 14893.

It is an arithmetic number, because the mean of its divisors is an integer number (2550690).

Almost surely, 2^22642630 is an apocalyptic number.

22642630 is a deficient number, since it is larger than the sum of its proper divisors (18168410).

22642630 is a wasteful number, since it uses less digits than its factorization.

22642630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 22642630 is about 4758.4272611862. The cubic root of 22642630 is about 282.9060857827.

The spelling of 22642630 in words is "twenty-two million, six hundred forty-two thousand, six hundred thirty".