22213130331 has 16 divisors (see below), whose sum is σ = 33894781184. Its totient is φ = 12675891744.

The previous prime is 22213130323. The next prime is 22213130333. The reversal of 22213130331 is 13303131222.

It is not a de Polignac number, because 22213130331 - 2³ = 22213130323 is a prime.

It is a super-2 number, since 2×22213130331² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22213130298 and 22213130307.

It is not an unprimeable number, because it can be changed into a prime (22213130333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706141 + ... + 736926.

It is an arithmetic number, because the mean of its divisors is an integer number (2118423824).

Almost surely, 2^22213130331 is an apocalyptic number.

22213130331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22213130331 is a deficient number, since it is larger than the sum of its proper divisors (11681650853).

22213130331 is a wasteful number, since it uses less digits than its factorization.

22213130331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443810.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 22213130331 its reverse (13303131222), we get a palindrome (35516261553).

The spelling of 22213130331 in words is "twenty-two billion, two hundred thirteen million, one hundred thirty thousand, three hundred thirty-one".