22856851 has 2 divisors, whose sum is σ = 22856852. Its totient is φ = 22856850.

The previous prime is 22856839. The next prime is 22856863. The reversal of 22856851 is 15865822.

It is a balanced prime because it is at equal distance from previous prime (22856839) and next prime (22856863).

It is a cyclic number.

It is not a de Polignac number, because 22856851 - 2⁵ = 22856819 is a prime.

It is a Chen prime.

It is equal to p_1439776 and since 22856851 and 1439776 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22856851.

It is not a weakly prime, because it can be changed into another prime (22856881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11428425 + 11428426.

It is an arithmetic number, because the mean of its divisors is an integer number (11428426).

Almost surely, 2^22856851 is an apocalyptic number.

22856851 is a deficient number, since it is larger than the sum of its proper divisors (1).

22856851 is an equidigital number, since it uses as much as digits as its factorization.

22856851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38400, while the sum is 37.

The square root of 22856851 is about 4780.8839140895. The cubic root of 22856851 is about 283.7954744793.

The spelling of 22856851 in words is "twenty-two million, eight hundred fifty-six thousand, eight hundred fifty-one".