22364737 has 2 divisors, whose sum is σ = 22364738. Its totient is φ = 22364736.

The previous prime is 22364723. The next prime is 22364743. The reversal of 22364737 is 73746322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22363441 + 1296 = 4729^2 + 36^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22364737 is a prime.

It is a super-2 number, since 2×22364737² = 1000362922158338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22364137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11182368 + 11182369.

It is an arithmetic number, because the mean of its divisors is an integer number (11182369).

Almost surely, 2^22364737 is an apocalyptic number.

It is an amenable number.

22364737 is a deficient number, since it is larger than the sum of its proper divisors (1).

22364737 is an equidigital number, since it uses as much as digits as its factorization.

22364737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 34.

The square root of 22364737 is about 4729.1370248704. The cubic root of 22364737 is about 281.7439496316.

The spelling of 22364737 in words is "twenty-two million, three hundred sixty-four thousand, seven hundred thirty-seven".