22545113 has 2 divisors, whose sum is σ = 22545114. Its totient is φ = 22545112.

The previous prime is 22545097. The next prime is 22545143. The reversal of 22545113 is 31154522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19829209 + 2715904 = 4453^2 + 1648^2 .

It is a cyclic number.

It is not a de Polignac number, because 22545113 - 2⁴ = 22545097 is a prime.

It is not a weakly prime, because it can be changed into another prime (22545143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11272556 + 11272557.

It is an arithmetic number, because the mean of its divisors is an integer number (11272557).

Almost surely, 2^22545113 is an apocalyptic number.

It is an amenable number.

22545113 is a deficient number, since it is larger than the sum of its proper divisors (1).

22545113 is an equidigital number, since it uses as much as digits as its factorization.

22545113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 23.

The square root of 22545113 is about 4748.1694367409. The cubic root of 22545113 is about 282.4993625172.

Adding to 22545113 its reverse (31154522), we get a palindrome (53699635).

The spelling of 22545113 in words is "twenty-two million, five hundred forty-five thousand, one hundred thirteen".