22790965 has 16 divisors (see below), whose sum is σ = 29362608. Its totient is φ = 16920576.

The previous prime is 22790959. The next prime is 22790969. The reversal of 22790965 is 56909722.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 531441 + 22259524 = 729^2 + 4718^2 .

It is not a de Polignac number, because 22790965 - 2⁷ = 22790837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22790969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4369 + ... + 8041.

It is an arithmetic number, because the mean of its divisors is an integer number (1835163).

Almost surely, 2^22790965 is an apocalyptic number.

It is an amenable number.

22790965 is a deficient number, since it is larger than the sum of its proper divisors (6571643).

22790965 is a wasteful number, since it uses less digits than its factorization.

22790965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 22790965 is about 4773.9883745145. The cubic root of 22790965 is about 283.5225272337.

The spelling of 22790965 in words is "twenty-two million, seven hundred ninety thousand, nine hundred sixty-five".