22736057 has 2 divisors, whose sum is σ = 22736058. Its totient is φ = 22736056.

The previous prime is 22736041. The next prime is 22736071. The reversal of 22736057 is 75063722.

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., 13366336 + 9369721 = 3656^2 + 3061^2 .

It is a cyclic number.

It is not a de Polignac number, because 22736057 - 2⁴ = 22736041 is a prime.

It is not a weakly prime, because it can be changed into another prime (22736257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11368028 + 11368029.

It is an arithmetic number, because the mean of its divisors is an integer number (11368029).

Almost surely, 2^22736057 is an apocalyptic number.

It is an amenable number.

22736057 is a deficient number, since it is larger than the sum of its proper divisors (1).

22736057 is an equidigital number, since it uses as much as digits as its factorization.

22736057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 22736057 is about 4768.2341595186. The cubic root of 22736057 is about 283.2946566199.

Adding to 22736057 its reverse (75063722), we get a palindrome (97799779).

The spelling of 22736057 in words is "twenty-two million, seven hundred thirty-six thousand, fifty-seven".