22344444420 has 48 divisors (see below), whose sum is σ = 62892039168. Its totient is φ = 5927319040.

The previous prime is 22344444383. The next prime is 22344444431. The reversal of 22344444420 is 2444444322.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 963429 + ... + 986348.

It is an arithmetic number, because the mean of its divisors is an integer number (1310250816).

Almost surely, 2^22344444420 is an apocalyptic number.

22344444420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22344444420 is an abundant number, since it is smaller than the sum of its proper divisors (40547594748).

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

22344444420 is a wasteful number, since it uses less digits than its factorization.

22344444420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949980 (or 1949978 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 33.

Adding to 22344444420 its reverse (2444444322), we get a palindrome (24788888742).

The spelling of 22344444420 in words is "twenty-two billion, three hundred forty-four million, four hundred forty-four thousand, four hundred twenty".