22312355340 has 48 divisors (see below), whose sum is σ = 68154105600. Its totient is φ = 5409055680.

The previous prime is 22312355333. The next prime is 22312355363. The reversal of 22312355340 is 4355321322.

It is a super-3 number, since 3×22312355340³ (a number of 32 digits) contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 22312355298 and 22312355307.

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, 16902640 + ... + 16903959.

It is an arithmetic number, because the mean of its divisors is an integer number (1419877200).

Almost surely, 2^22312355340 is an apocalyptic number.

22312355340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22312355340 is an abundant number, since it is smaller than the sum of its proper divisors (45841750260).

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

22312355340 is a wasteful number, since it uses less digits than its factorization.

22312355340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33806622 (or 33806620 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 22312355340 its reverse (4355321322), we get a palindrome (26667676662).

The spelling of 22312355340 in words is "twenty-two billion, three hundred twelve million, three hundred fifty-five thousand, three hundred forty".