22142431437 has 16 divisors (see below), whose sum is σ = 33754166400. Its totient is φ = 12647823552.

The previous prime is 22142431427. The next prime is 22142431459. The reversal of 22142431437 is 73413424122.

It is a happy number.

It is not a de Polignac number, because 22142431437 - 2³⁰ = 21068689613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22142431398 and 22142431407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142431427) 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, 153298 + ... + 260355.

It is an arithmetic number, because the mean of its divisors is an integer number (2109635400).

Almost surely, 2^22142431437 is an apocalyptic number.

It is an amenable number.

22142431437 is a deficient number, since it is larger than the sum of its proper divisors (11611734963).

22142431437 is a wasteful number, since it uses less digits than its factorization.

22142431437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416212.

The product of its digits is 32256, while the sum is 33.

Adding to 22142431437 its reverse (73413424122), we get a palindrome (95555855559).

The spelling of 22142431437 in words is "twenty-two billion, one hundred forty-two million, four hundred thirty-one thousand, four hundred thirty-seven".