22919065 has 8 divisors (see below), whose sum is σ = 29618568. Its totient is φ = 16924800.

The previous prime is 22919059. The next prime is 22919087. The reversal of 22919065 is 56091922.

It can be written as a sum of positive squares in 4 ways, for example, as 337561 + 22581504 = 581^2 + 4752^2 .

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

It is not a de Polignac number, because 22919065 - 2⁷ = 22918937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22919065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176236 + ... + 176365.

It is an arithmetic number, because the mean of its divisors is an integer number (3702321).

Almost surely, 2^22919065 is an apocalyptic number.

It is an amenable number.

22919065 is a deficient number, since it is larger than the sum of its proper divisors (6699503).

22919065 is a wasteful number, since it uses less digits than its factorization.

22919065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352619.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 22919065 is about 4787.3860299750. The cubic root of 22919065 is about 284.0527285882.

The spelling of 22919065 in words is "twenty-two million, nine hundred nineteen thousand, sixty-five".