22808057 has 4 divisors (see below), whose sum is σ = 22987776. Its totient is φ = 22628340.

The previous prime is 22808053. The next prime is 22808059. The reversal of 22808057 is 75080822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22808057 - 2² = 22808053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22808053) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 89669 + ... + 89922.

It is an arithmetic number, because the mean of its divisors is an integer number (5746944).

Almost surely, 2^22808057 is an apocalyptic number.

It is an amenable number.

22808057 is a deficient number, since it is larger than the sum of its proper divisors (179719).

22808057 is a wasteful number, since it uses less digits than its factorization.

22808057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179718.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 22808057 is about 4775.7781564893. The cubic root of 22808057 is about 283.5933850807.

Adding to 22808057 its reverse (75080822), we get a palindrome (97888879).

The spelling of 22808057 in words is "twenty-two million, eight hundred eight thousand, fifty-seven".