22344101012440 has 64 divisors (see below), whose sum is σ = 51344895029760. Its totient is φ = 8747306904960.

The previous prime is 22344101012383. The next prime is 22344101012489. The reversal of 22344101012440 is 4421010144322.

It is a junction number, because it is equal to n+sod(n) for n = 22344101012399 and 22344101012408.

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, 143033175 + ... + 143189305.

It is an arithmetic number, because the mean of its divisors is an integer number (802263984840).

Almost surely, 2^{22344101012440} is an apocalyptic number.

22344101012440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22344101012440 is an abundant number, since it is smaller than the sum of its proper divisors (29000794017320).

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

22344101012440 is a wasteful number, since it uses less digits than its factorization.

22344101012440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232312 (or 232308 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 22344101012440 its reverse (4421010144322), we get a palindrome (26765111156762).

The spelling of 22344101012440 in words is "twenty-two trillion, three hundred forty-four billion, one hundred one million, twelve thousand, four hundred forty".