22394851 has 2 divisors, whose sum is σ = 22394852. Its totient is φ = 22394850.

The previous prime is 22394839. The next prime is 22394861. The reversal of 22394851 is 15849322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22394851 - 2⁵ = 22394819 is a prime.

It is not a weakly prime, because it can be changed into another prime (22394861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11197425 + 11197426.

It is an arithmetic number, because the mean of its divisors is an integer number (11197426).

Almost surely, 2^22394851 is an apocalyptic number.

22394851 is a deficient number, since it is larger than the sum of its proper divisors (1).

22394851 is an equidigital number, since it uses as much as digits as its factorization.

22394851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 22394851 is about 4732.3198328093. The cubic root of 22394851 is about 281.8703484958.

The spelling of 22394851 in words is "twenty-two million, three hundred ninety-four thousand, eight hundred fifty-one".