22253431 has 8 divisors (see below), whose sum is σ = 22766400. Its totient is φ = 21746400.

The previous prime is 22253423. The next prime is 22253437. The reversal of 22253431 is 13435222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22253431 - 2³ = 22253423 is a prime.

It is a super-2 number, since 2×22253431² = 990430382543522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22253437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6585 + ... + 9373.

It is an arithmetic number, because the mean of its divisors is an integer number (2845800).

Almost surely, 2^22253431 is an apocalyptic number.

22253431 is a deficient number, since it is larger than the sum of its proper divisors (512969).

22253431 is a wasteful number, since it uses less digits than its factorization.

22253431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969.

The product of its digits is 1440, while the sum is 22.

The square root of 22253431 is about 4717.3542372817. The cubic root of 22253431 is about 281.2757727164.

Adding to 22253431 its reverse (13435222), we get a palindrome (35688653).

The spelling of 22253431 in words is "twenty-two million, two hundred fifty-three thousand, four hundred thirty-one".