22022202231 has 6 divisors (see below), whose sum is σ = 31809847680. Its totient is φ = 14681468148.

The previous prime is 22022202211. The next prime is 22022202233. The reversal of 22022202231 is 13220222022.

22022202231 is a `hidden beast` number, since 220 + 2 + 220 + 223 + 1 = 666.

It is not a de Polignac number, because 22022202231 - 2⁵ = 22022202199 is a prime.

It is a super-2 number, since 2×22022202231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022202233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1223455671 + ... + 1223455688.

It is an arithmetic number, because the mean of its divisors is an integer number (5301641280).

Almost surely, 2^22022202231 is an apocalyptic number.

22022202231 is a deficient number, since it is larger than the sum of its proper divisors (9787645449).

22022202231 is a wasteful number, since it uses less digits than its factorization.

22022202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446911365 (or 2446911362 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22022202231 its reverse (13220222022), we get a palindrome (35242424253).

The spelling of 22022202231 in words is "twenty-two billion, twenty-two million, two hundred two thousand, two hundred thirty-one".