22200020331 has 4 divisors (see below), whose sum is σ = 29600027112. Its totient is φ = 14800013552.

The previous prime is 22200020327. The next prime is 22200020407. The reversal of 22200020331 is 13302000222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22200020331 - 2² = 22200020327 is a prime.

It is a super-2 number, since 2×22200020331² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22200020331.

It is not an unprimeable number, because it can be changed into a prime (22200020321) 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, 3700003386 + ... + 3700003391.

It is an arithmetic number, because the mean of its divisors is an integer number (7400006778).

Almost surely, 2^22200020331 is an apocalyptic number.

22200020331 is a deficient number, since it is larger than the sum of its proper divisors (7400006781).

22200020331 is an equidigital number, since it uses as much as digits as its factorization.

22200020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400006780.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22200020331 its reverse (13302000222), we get a palindrome (35502020553).

The spelling of 22200020331 in words is "twenty-two billion, two hundred million, twenty thousand, three hundred thirty-one".