22173045 has 8 divisors (see below), whose sum is σ = 35476896. Its totient is φ = 11825616.

The previous prime is 22173031. The next prime is 22173071. The reversal of 22173045 is 54037122.

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

It is not a de Polignac number, because 22173045 - 2⁸ = 22172789 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 739087 + ... + 739116.

It is an arithmetic number, because the mean of its divisors is an integer number (4434612).

Almost surely, 2^22173045 is an apocalyptic number.

It is an amenable number.

22173045 is a deficient number, since it is larger than the sum of its proper divisors (13303851).

22173045 is a wasteful number, since it uses less digits than its factorization.

22173045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478211.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 22173045 is about 4708.8262868787. The cubic root of 22173045 is about 280.9366802191.

The spelling of 22173045 in words is "twenty-two million, one hundred seventy-three thousand, forty-five".