22344113421 has 48 divisors (see below), whose sum is σ = 39401092224. Its totient is φ = 11910592512.

The previous prime is 22344113377. The next prime is 22344113431. The reversal of 22344113421 is 12431144322.

22344113421 is a `hidden beast` number, since 2 + 234 + 4 + 1 + 1 + 3 + 421 = 666.

It is not a de Polignac number, because 22344113421 - 2¹⁰ = 22344112397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22344113431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28710 + ... + 213336.

It is an arithmetic number, because the mean of its divisors is an integer number (820856088).

Almost surely, 2^22344113421 is an apocalyptic number.

22344113421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22344113421 is a deficient number, since it is larger than the sum of its proper divisors (17056978803).

22344113421 is a wasteful number, since it uses less digits than its factorization.

22344113421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184770 (or 184767 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 22344113421 its reverse (12431144322), we get a palindrome (34775257743).

The spelling of 22344113421 in words is "twenty-two billion, three hundred forty-four million, one hundred thirteen thousand, four hundred twenty-one".