22336990 has 16 divisors (see below), whose sum is σ = 43299648. Its totient is φ = 8247456.

The previous prime is 22336981. The next prime is 22336991. The reversal of 22336990 is 9963322.

It is a super-2 number, since 2×22336990² = 997882244520200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22336991) 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, 85782 + ... + 86041.

It is an arithmetic number, because the mean of its divisors is an integer number (2706228).

Almost surely, 2^22336990 is an apocalyptic number.

22336990 is a deficient number, since it is larger than the sum of its proper divisors (20962658).

22336990 is a wasteful number, since it uses less digits than its factorization.

22336990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171843.

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

The square root of 22336990 is about 4726.2024924880. The cubic root of 22336990 is about 281.6273854086.

The spelling of 22336990 in words is "twenty-two million, three hundred thirty-six thousand, nine hundred ninety".