22373609 has 2 divisors, whose sum is σ = 22373610. Its totient is φ = 22373608.

The previous prime is 22373597. The next prime is 22373629. The reversal of 22373609 is 90637322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13162384 + 9211225 = 3628^2 + 3035^2 .

It is a cyclic number.

It is not a de Polignac number, because 22373609 - 2¹² = 22369513 is a prime.

It is not a weakly prime, because it can be changed into another prime (22373629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11186804 + 11186805.

It is an arithmetic number, because the mean of its divisors is an integer number (11186805).

Almost surely, 2^22373609 is an apocalyptic number.

It is an amenable number.

22373609 is a deficient number, since it is larger than the sum of its proper divisors (1).

22373609 is an equidigital number, since it uses as much as digits as its factorization.

22373609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 22373609 is about 4730.0749465521. The cubic root of 22373609 is about 281.7812002651.

The spelling of 22373609 in words is "twenty-two million, three hundred seventy-three thousand, six hundred nine".