22344331420 has 24 divisors (see below), whose sum is σ = 46957131648. Its totient is φ = 8931249600.

The previous prime is 22344331397. The next prime is 22344331421. The reversal of 22344331420 is 2413344322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22344331421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376876 + ... + 432115.

It is an arithmetic number, because the mean of its divisors is an integer number (1956547152).

Almost surely, 2^22344331420 is an apocalyptic number.

22344331420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22344331420 is an abundant number, since it is smaller than the sum of its proper divisors (24612800228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22344331420 is a wasteful number, since it uses less digits than its factorization.

22344331420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810381 (or 810379 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 22344331420 its reverse (2413344322), we get a palindrome (24757675742).

The spelling of 22344331420 in words is "twenty-two billion, three hundred forty-four million, three hundred thirty-one thousand, four hundred twenty".