22421340320 has 24 divisors (see below), whose sum is σ = 52970416884. Its totient is φ = 8968536064.

The previous prime is 22421340313. The next prime is 22421340353. The reversal of 22421340320 is 2304312422.

It can be written as a sum of positive squares in 2 ways, for example, as 22400510224 + 20830096 = 149668^2 + 4564^2 .

It is a super-3 number, since 3×22421340320³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70066529 + ... + 70066848.

Almost surely, 2^22421340320 is an apocalyptic number.

22421340320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22421340320 is an abundant number, since it is smaller than the sum of its proper divisors (30549076564).

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

22421340320 is a wasteful number, since it uses less digits than its factorization.

22421340320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140133392 (or 140133384 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 22421340320 its reverse (2304312422), we get a palindrome (24725652742).

The spelling of 22421340320 in words is "twenty-two billion, four hundred twenty-one million, three hundred forty thousand, three hundred twenty".