22936387 has 2 divisors, whose sum is σ = 22936388. Its totient is φ = 22936386.

The previous prime is 22936379. The next prime is 22936391. The reversal of 22936387 is 78363922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22936387 - 2³ = 22936379 is a prime.

It is a super-2 number, since 2×22936387² = 1052155697227538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22936357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11468193 + 11468194.

It is an arithmetic number, because the mean of its divisors is an integer number (11468194).

Almost surely, 2^22936387 is an apocalyptic number.

22936387 is a deficient number, since it is larger than the sum of its proper divisors (1).

22936387 is an equidigital number, since it uses as much as digits as its factorization.

22936387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 22936387 is about 4789.1948175033. The cubic root of 22936387 is about 284.1242719707.

The spelling of 22936387 in words is "twenty-two million, nine hundred thirty-six thousand, three hundred eighty-seven".