22373121 has 4 divisors (see below), whose sum is σ = 29830832. Its totient is φ = 14915412.

The previous prime is 22373111. The next prime is 22373129. The reversal of 22373121 is 12137322.

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 not a de Polignac number, because 22373121 - 2²² = 18178817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22373129) 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, 3728851 + ... + 3728856.

It is an arithmetic number, because the mean of its divisors is an integer number (7457708).

Almost surely, 2^22373121 is an apocalyptic number.

It is an amenable number.

22373121 is a deficient number, since it is larger than the sum of its proper divisors (7457711).

22373121 is an equidigital number, since it uses as much as digits as its factorization.

22373121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7457710.

The product of its digits is 504, while the sum is 21.

The square root of 22373121 is about 4730.0233614645. The cubic root of 22373121 is about 281.7791515683.

The spelling of 22373121 in words is "twenty-two million, three hundred seventy-three thousand, one hundred twenty-one".