22421131439 has 12 divisors (see below), whose sum is σ = 26178697800. Its totient is φ = 19146658608.

The previous prime is 22421131433. The next prime is 22421131457. The reversal of 22421131439 is 93413112422.

It is not a de Polignac number, because 22421131439 - 2²⁴ = 22404354223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22421131433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 837329 + ... + 863690.

It is an arithmetic number, because the mean of its divisors is an integer number (2181558150).

Almost surely, 2^22421131439 is an apocalyptic number.

22421131439 is a deficient number, since it is larger than the sum of its proper divisors (3757566361).

22421131439 is a wasteful number, since it uses less digits than its factorization.

22421131439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701302 (or 1701295 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The spelling of 22421131439 in words is "twenty-two billion, four hundred twenty-one million, one hundred thirty-one thousand, four hundred thirty-nine".