22993630 has 48 divisors (see below), whose sum is σ = 47037312. Its totient is φ = 8078400.

The previous prime is 22993627. The next prime is 22993637. The reversal of 22993630 is 3639922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22993637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37204 + ... + 37816.

It is an arithmetic number, because the mean of its divisors is an integer number (979944).

Almost surely, 2^22993630 is an apocalyptic number.

22993630 is an abundant number, since it is smaller than the sum of its proper divisors (24043682).

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

22993630 is a wasteful number, since it uses less digits than its factorization.

22993630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 22993630 is about 4795.1673589146. The cubic root of 22993630 is about 284.3604413108.

It can be divided in two parts, 2299 and 3630, that added together give a square (5929 = 77²).

The spelling of 22993630 in words is "twenty-two million, nine hundred ninety-three thousand, six hundred thirty".