22344302420 has 48 divisors (see below), whose sum is σ = 52379224128. Its totient is φ = 7936239360.

The previous prime is 22344302381. The next prime is 22344302437. The reversal of 22344302420 is 2420344322.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22344302420.

It is a congruent number.

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, 1171529 + ... + 1190448.

It is an arithmetic number, because the mean of its divisors is an integer number (1091233836).

Almost surely, 2^22344302420 is an apocalyptic number.

22344302420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22344302420 is an abundant number, since it is smaller than the sum of its proper divisors (30034921708).

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

22344302420 is a wasteful number, since it uses less digits than its factorization.

22344302420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362040 (or 2362038 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 22344302420 its reverse (2420344322), we get a palindrome (24764646742).

The spelling of 22344302420 in words is "twenty-two billion, three hundred forty-four million, three hundred two thousand, four hundred twenty".