22200431 has 8 divisors (see below), whose sum is σ = 24315984. Its totient is φ = 20101120.

The previous prime is 22200421. The next prime is 22200443. The reversal of 22200431 is 13400222.

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 22200431 - 2¹⁰ = 22199407 is a prime.

It is a super-2 number, since 2×22200431² = 985718273171522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200421) 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, 1100 + ... + 6753.

It is an arithmetic number, because the mean of its divisors is an integer number (3039498).

Almost surely, 2^22200431 is an apocalyptic number.

22200431 is a deficient number, since it is larger than the sum of its proper divisors (2115553).

22200431 is a wasteful number, since it uses less digits than its factorization.

22200431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8121.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22200431 is about 4711.7333328617. The cubic root of 22200431 is about 281.0522945694.

Adding to 22200431 its reverse (13400222), we get a palindrome (35600653).

The spelling of 22200431 in words is "twenty-two million, two hundred thousand, four hundred thirty-one".