22990995 has 24 divisors (see below), whose sum is σ = 41139072. Its totient is φ = 11865600.

The previous prime is 22990991. The next prime is 22990999. The reversal of 22990995 is 59909922.

It is an interprime number because it is at equal distance from previous prime (22990991) and next prime (22990999).

It is not a de Polignac number, because 22990995 - 2² = 22990991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 22990995.

It is not an unprimeable number, because it can be changed into a prime (22990991) 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 23 ways as a sum of consecutive naturals, for example, 6846 + ... + 9635.

It is an arithmetic number, because the mean of its divisors is an integer number (1714128).

Almost surely, 2^22990995 is an apocalyptic number.

22990995 is a deficient number, since it is larger than the sum of its proper divisors (18148077).

22990995 is a wasteful number, since it uses less digits than its factorization.

22990995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16523 (or 16520 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 22990995 is about 4794.8925952517. The cubic root of 22990995 is about 284.3495786155.

The spelling of 22990995 in words is "twenty-two million, nine hundred ninety thousand, nine hundred ninety-five".