22045929 has 8 divisors (see below), whose sum is σ = 30342912. Its totient is φ = 14223120.

The previous prime is 22045921. The next prime is 22045931. The reversal of 22045929 is 92954022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22045929 - 2³ = 22045921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22045929.

It is not an unprimeable number, because it can be changed into a prime (22045921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118434 + ... + 118619.

It is an arithmetic number, because the mean of its divisors is an integer number (3792864).

Almost surely, 2^22045929 is an apocalyptic number.

It is an amenable number.

22045929 is a deficient number, since it is larger than the sum of its proper divisors (8296983).

22045929 is a wasteful number, since it uses less digits than its factorization.

22045929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237087.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 22045929 is about 4695.3092549906. The cubic root of 22045929 is about 280.3987897476.

The spelling of 22045929 in words is "twenty-two million, forty-five thousand, nine hundred twenty-nine".