22221148746 has 64 divisors (see below), whose sum is σ = 47148189696. Its totient is φ = 6967329600.

The previous prime is 22221148739. The next prime is 22221148777. The reversal of 22221148746 is 64784112222.

22221148746 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4122265 + ... + 4127651.

It is an arithmetic number, because the mean of its divisors is an integer number (736690464).

Almost surely, 2^22221148746 is an apocalyptic number.

22221148746 is an abundant number, since it is smaller than the sum of its proper divisors (24927040950).

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

22221148746 is a wasteful number, since it uses less digits than its factorization.

22221148746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5907.

The product of its digits is 86016, while the sum is 39.

The spelling of 22221148746 in words is "twenty-two billion, two hundred twenty-one million, one hundred forty-eight thousand, seven hundred forty-six".