22395739 has 2 divisors, whose sum is σ = 22395740. Its totient is φ = 22395738.

The previous prime is 22395719. The next prime is 22395757. The reversal of 22395739 is 93759322.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22395739 - 2¹¹ = 22393691 is a prime.

It is a super-2 number, since 2×22395739² = 1003138250712242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22395719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11197869 + 11197870.

It is an arithmetic number, because the mean of its divisors is an integer number (11197870).

Almost surely, 2^22395739 is an apocalyptic number.

22395739 is a deficient number, since it is larger than the sum of its proper divisors (1).

22395739 is an equidigital number, since it uses as much as digits as its factorization.

22395739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 40.

The square root of 22395739 is about 4732.4136547855. The cubic root of 22395739 is about 281.8740740182.

The spelling of 22395739 in words is "twenty-two million, three hundred ninety-five thousand, seven hundred thirty-nine".