22444373 has 4 divisors (see below), whose sum is σ = 25650720. Its totient is φ = 19238028.

The previous prime is 22444351. The next prime is 22444379. The reversal of 22444373 is 37344422.

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 22444373 - 2⁶ = 22444309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444379) 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, 1603163 + ... + 1603176.

It is an arithmetic number, because the mean of its divisors is an integer number (6412680).

Almost surely, 2^22444373 is an apocalyptic number.

It is an amenable number.

22444373 is a deficient number, since it is larger than the sum of its proper divisors (3206347).

22444373 is an equidigital number, since it uses as much as digits as its factorization.

22444373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206346.

The product of its digits is 16128, while the sum is 29.

The square root of 22444373 is about 4737.5492609576. The cubic root of 22444373 is about 282.0779632870.

Adding to 22444373 its reverse (37344422), we get a palindrome (59788795).

The spelling of 22444373 in words is "twenty-two million, four hundred forty-four thousand, three hundred seventy-three".