22450137 has 4 divisors (see below), whose sum is σ = 29933520. Its totient is φ = 14966756.

The previous prime is 22450133. The next prime is 22450151. The reversal of 22450137 is 73105422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22450137 - 2² = 22450133 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22450133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3741687 + ... + 3741692.

It is an arithmetic number, because the mean of its divisors is an integer number (7483380).

Almost surely, 2^22450137 is an apocalyptic number.

It is an amenable number.

22450137 is a deficient number, since it is larger than the sum of its proper divisors (7483383).

22450137 is an equidigital number, since it uses as much as digits as its factorization.

22450137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7483382.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 22450137 is about 4738.1575533112. The cubic root of 22450137 is about 282.1021082879.

Adding to 22450137 its reverse (73105422), we get a palindrome (95555559).

The spelling of 22450137 in words is "twenty-two million, four hundred fifty thousand, one hundred thirty-seven".