22572113 has 2 divisors, whose sum is σ = 22572114. Its totient is φ = 22572112.

The previous prime is 22572041. The next prime is 22572127. The reversal of 22572113 is 31127522.

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., 17405584 + 5166529 = 4172^2 + 2273^2 .

It is a cyclic number.

It is not a de Polignac number, because 22572113 - 2¹⁶ = 22506577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22572163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11286056 + 11286057.

It is an arithmetic number, because the mean of its divisors is an integer number (11286057).

Almost surely, 2^22572113 is an apocalyptic number.

It is an amenable number.

22572113 is a deficient number, since it is larger than the sum of its proper divisors (1).

22572113 is an equidigital number, since it uses as much as digits as its factorization.

22572113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 23.

The square root of 22572113 is about 4751.0117869776. The cubic root of 22572113 is about 282.6120911593.

Adding to 22572113 its reverse (31127522), we get a palindrome (53699635).

The spelling of 22572113 in words is "twenty-two million, five hundred seventy-two thousand, one hundred thirteen".