22221301131 has 20 divisors (see below), whose sum is σ = 33242221584. Its totient is φ = 14793030000.

The previous prime is 22221301079. The next prime is 22221301133. The reversal of 22221301131 is 13110312222.

It is not a de Polignac number, because 22221301131 - 2¹³ = 22221292939 is a prime.

It is a super-2 number, since 2×22221301131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22221301133) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 138895 + ... + 252456.

Almost surely, 2^22221301131 is an apocalyptic number.

22221301131 is a deficient number, since it is larger than the sum of its proper divisors (11020920453).

22221301131 is an equidigital number, since it uses as much as digits as its factorization.

22221301131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392064 (or 392055 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22221301131 its reverse (13110312222), we get a palindrome (35331613353).

The spelling of 22221301131 in words is "twenty-two billion, two hundred twenty-one million, three hundred one thousand, one hundred thirty-one".