22765057 has 12 divisors (see below), whose sum is σ = 28040580. Its totient is φ = 18364416.

The previous prime is 22765051. The next prime is 22765081. The reversal of 22765057 is 75056722.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14447601 + 8317456 = 3801^2 + 2884^2 .

It is not a de Polignac number, because 22765057 - 2¹⁹ = 22240769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22765051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12832 + ... + 14497.

It is an arithmetic number, because the mean of its divisors is an integer number (2336715).

Almost surely, 2^22765057 is an apocalyptic number.

It is an amenable number.

22765057 is a deficient number, since it is larger than the sum of its proper divisors (5275523).

22765057 is a wasteful number, since it uses less digits than its factorization.

22765057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27360 (or 27353 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 22765057 is about 4771.2741484849. The cubic root of 22765057 is about 283.4150535518.

The spelling of 22765057 in words is "twenty-two million, seven hundred sixty-five thousand, fifty-seven".