22990029 has 4 divisors (see below), whose sum is σ = 30653376. Its totient is φ = 15326684.

The previous prime is 22990021. The next prime is 22990039. The reversal of 22990029 is 92009922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22990029 - 2³ = 22990021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22990021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3831669 + ... + 3831674.

It is an arithmetic number, because the mean of its divisors is an integer number (7663344).

Almost surely, 2^22990029 is an apocalyptic number.

It is an amenable number.

22990029 is a deficient number, since it is larger than the sum of its proper divisors (7663347).

22990029 is an equidigital number, since it uses as much as digits as its factorization.

22990029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7663346.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 22990029 is about 4794.7918620103. The cubic root of 22990029 is about 284.3455961064.

The spelling of 22990029 in words is "twenty-two million, nine hundred ninety thousand, twenty-nine".