22438334281 has 4 divisors (see below), whose sum is σ = 24478182864. Its totient is φ = 20398485700.

The previous prime is 22438334263. The next prime is 22438334293. The reversal of 22438334281 is 18243383422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22438334281 - 2²⁷ = 22304116553 is a prime.

It is a super-2 number, since 2×22438334281² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22438334231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019924275 + ... + 1019924296.

It is an arithmetic number, because the mean of its divisors is an integer number (6119545716).

Almost surely, 2^22438334281 is an apocalyptic number.

It is an amenable number.

22438334281 is a deficient number, since it is larger than the sum of its proper divisors (2039848583).

22438334281 is a wasteful number, since it uses less digits than its factorization.

22438334281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039848582.

The product of its digits is 221184, while the sum is 40.

The spelling of 22438334281 in words is "twenty-two billion, four hundred thirty-eight million, three hundred thirty-four thousand, two hundred eighty-one".