22999090 has 16 divisors (see below), whose sum is σ = 42017472. Its totient is φ = 9062064.

The previous prime is 22999049. The next prime is 22999091. The reversal of 22999090 is 9099922.

It is not an unprimeable number, because it can be changed into a prime (22999091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16494 + ... + 17833.

It is an arithmetic number, because the mean of its divisors is an integer number (2626092).

Almost surely, 2^22999090 is an apocalyptic number.

22999090 is a deficient number, since it is larger than the sum of its proper divisors (19018382).

22999090 is a wasteful number, since it uses less digits than its factorization.

22999090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34401.

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 22999090 is about 4795.7366483159. The cubic root of 22999090 is about 284.3829473285.

The spelling of 22999090 in words is "twenty-two million, nine hundred ninety-nine thousand, ninety".