22246020456 has 64 divisors (see below), whose sum is σ = 60684249600. Its totient is φ = 6739742400.

The previous prime is 22246020359. The next prime is 22246020541. The reversal of 22246020456 is 65402064222.

It is a super-2 number, since 2×22246020456² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 2189035 + ... + 2199173.

It is an arithmetic number, because the mean of its divisors is an integer number (948191400).

Almost surely, 2^22246020456 is an apocalyptic number.

It is an amenable number.

22246020456 is an abundant number, since it is smaller than the sum of its proper divisors (38438229144).

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

22246020456 is a wasteful number, since it uses less digits than its factorization.

22246020456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18470 (or 18466 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 22246020456 its reverse (65402064222), we get a palindrome (87648084678).

The spelling of 22246020456 in words is "twenty-two billion, two hundred forty-six million, twenty thousand, four hundred fifty-six".