22421230131 has 16 divisors (see below), whose sum is σ = 30361469600. Its totient is φ = 14715986688.

The previous prime is 22421230127. The next prime is 22421230163. The reversal of 22421230131 is 13103212422.

It is not a de Polignac number, because 22421230131 - 2² = 22421230127 is a prime.

It is a super-2 number, since 2×22421230131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22421230098 and 22421230107.

It is not an unprimeable number, because it can be changed into a prime (22421230171) 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, 167026 + ... + 269703.

It is an arithmetic number, because the mean of its divisors is an integer number (1897591850).

Almost surely, 2^22421230131 is an apocalyptic number.

22421230131 is a deficient number, since it is larger than the sum of its proper divisors (7940239469).

22421230131 is a wasteful number, since it uses less digits than its factorization.

22421230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436998.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22421230131 its reverse (13103212422), we get a palindrome (35524442553).

The spelling of 22421230131 in words is "twenty-two billion, four hundred twenty-one million, two hundred thirty thousand, one hundred thirty-one".