22571051 has 2 divisors, whose sum is σ = 22571052. Its totient is φ = 22571050.

The previous prime is 22571047. The next prime is 22571063. The reversal of 22571051 is 15017522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22571051 - 2² = 22571047 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22571041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11285525 + 11285526.

It is an arithmetic number, because the mean of its divisors is an integer number (11285526).

Almost surely, 2^22571051 is an apocalyptic number.

22571051 is a deficient number, since it is larger than the sum of its proper divisors (1).

22571051 is an equidigital number, since it uses as much as digits as its factorization.

22571051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 22571051 is about 4750.9000199962. The cubic root of 22571051 is about 282.6076588649.

Adding to 22571051 its reverse (15017522), we get a palindrome (37588573).

The spelling of 22571051 in words is "twenty-two million, five hundred seventy-one thousand, fifty-one".