30022222131 has 32 divisors (see below), whose sum is σ = 50193907200. Its totient is φ = 17567857440.

The previous prime is 30022222127. The next prime is 30022222147. The reversal of 30022222131 is 13122222003.

It is not a de Polignac number, because 30022222131 - 2² = 30022222127 is a prime.

It is a super-2 number, since 2×30022222131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30022223131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1734231 + ... + 1751456.

It is an arithmetic number, because the mean of its divisors is an integer number (1568559600).

Almost surely, 2^30022222131 is an apocalyptic number.

30022222131 is a deficient number, since it is larger than the sum of its proper divisors (20171685069).

30022222131 is a wasteful number, since it uses less digits than its factorization.

30022222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485736 (or 3485730 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30022222131 its reverse (13122222003), we get a palindrome (43144444134).

The spelling of 30022222131 in words is "thirty billion, twenty-two million, two hundred twenty-two thousand, one hundred thirty-one".