22344315420 has 48 divisors (see below), whose sum is σ = 71501810688. Its totient is φ = 5107272000.

The previous prime is 22344315407. The next prime is 22344315569. The reversal of 22344315420 is 2451344322.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26599956 + ... + 26600795.

It is an arithmetic number, because the mean of its divisors is an integer number (1489621056).

Almost surely, 2^22344315420 is an apocalyptic number.

22344315420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22344315420 is an abundant number, since it is smaller than the sum of its proper divisors (49157495268).

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

22344315420 is a wasteful number, since it uses less digits than its factorization.

22344315420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53200770 (or 53200768 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 22344315420 its reverse (2451344322), we get a palindrome (24795659742).

The spelling of 22344315420 in words is "twenty-two billion, three hundred forty-four million, three hundred fifteen thousand, four hundred twenty".