16772565222 has 96 divisors (see below), whose sum is σ = 43366752000. Its totient is φ = 4583565504.

The previous prime is 16772565209. The next prime is 16772565233. The reversal of 16772565222 is 22256527761.

16772565222 is a `hidden beast` number, since 1 + 6 + 7 + 72 + 56 + 522 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 369529 + ... + 412427.

It is an arithmetic number, because the mean of its divisors is an integer number (451737000).

Almost surely, 2^16772565222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16772565222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21683376000).

16772565222 is an abundant number, since it is smaller than the sum of its proper divisors (26594186778).

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

16772565222 is a wasteful number, since it uses less digits than its factorization.

16772565222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43050 (or 43047 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The spelling of 16772565222 in words is "sixteen billion, seven hundred seventy-two million, five hundred sixty-five thousand, two hundred twenty-two".