22400302131 has 24 divisors (see below), whose sum is σ = 33347645760. Its totient is φ = 14481680256.

The previous prime is 22400302103. The next prime is 22400302147. The reversal of 22400302131 is 13120300422.

22400302131 is a `hidden beast` number, since 22 + 400 + 30 + 213 + 1 = 666.

It is not a de Polignac number, because 22400302131 - 2²¹ = 22398204979 is a prime.

It is a super-2 number, since 2×22400302131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22400302151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196810 + ... + 289023.

It is an arithmetic number, because the mean of its divisors is an integer number (1389485240).

Almost surely, 2^22400302131 is an apocalyptic number.

22400302131 is a deficient number, since it is larger than the sum of its proper divisors (10947343629).

22400302131 is a wasteful number, since it uses less digits than its factorization.

22400302131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485995 (or 485992 counting only the distinct ones).

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

Adding to 22400302131 its reverse (13120300422), we get a palindrome (35520602553).

The spelling of 22400302131 in words is "twenty-two billion, four hundred million, three hundred two thousand, one hundred thirty-one".