22450690 has 16 divisors (see below), whose sum is σ = 40465728. Its totient is φ = 8968176.

The previous prime is 22450663. The next prime is 22450709. The reversal of 22450690 is 9605422.

It is a super-2 number, since 2×22450690² = 1008066962952200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12169 + ... + 13891.

It is an arithmetic number, because the mean of its divisors is an integer number (2529108).

Almost surely, 2^22450690 is an apocalyptic number.

22450690 is a deficient number, since it is larger than the sum of its proper divisors (18015038).

22450690 is a wasteful number, since it uses less digits than its factorization.

22450690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 22450690 is about 4738.2159089683. The cubic root of 22450690 is about 282.1044245497.

The spelling of 22450690 in words is "twenty-two million, four hundred fifty thousand, six hundred ninety".