22305944166 has 80 divisors (see below), whose sum is σ = 50661949440. Its totient is φ = 6540534000.

The previous prime is 22305944153. The next prime is 22305944267. The reversal of 22305944166 is 66144950322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2719131 + ... + 2727321.

It is an arithmetic number, because the mean of its divisors is an integer number (633274368).

Almost surely, 2^22305944166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22305944166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25330974720).

22305944166 is an abundant number, since it is smaller than the sum of its proper divisors (28356005274).

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

22305944166 is an equidigital number, since it uses as much as digits as its factorization.

22305944166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8271 (or 8238 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 22305944166 in words is "twenty-two billion, three hundred five million, nine hundred forty-four thousand, one hundred sixty-six".