22993790 has 32 divisors (see below), whose sum is σ = 43467840. Its totient is φ = 8740864.

The previous prime is 22993787. The next prime is 22993793. The reversal of 22993790 is 9739922.

It is an interprime number because it is at equal distance from previous prime (22993787) and next prime (22993793).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22993793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58916 + ... + 59304.

It is an arithmetic number, because the mean of its divisors is an integer number (1358370).

Almost surely, 2^22993790 is an apocalyptic number.

22993790 is a deficient number, since it is larger than the sum of its proper divisors (20474050).

22993790 is a wasteful number, since it uses less digits than its factorization.

22993790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 22993790 is about 4795.1840423492. The cubic root of 22993790 is about 284.3611008785.

The spelling of 22993790 in words is "twenty-two million, nine hundred ninety-three thousand, seven hundred ninety".