22211510464 has 84 divisors (see below), whose sum is σ = 52066347480. Its totient is φ = 9319464960.

The previous prime is 22211510449. The next prime is 22211510501. The reversal of 22211510464 is 46401511222.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25632 + ... + 212320.

It is an arithmetic number, because the mean of its divisors is an integer number (619837470).

Almost surely, 2^22211510464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22211510464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26033173740).

22211510464 is an abundant number, since it is smaller than the sum of its proper divisors (29854837016).

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

22211510464 is a wasteful number, since it uses less digits than its factorization.

22211510464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186738 (or 186715 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 22211510464 in words is "twenty-two billion, two hundred eleven million, five hundred ten thousand, four hundred sixty-four".