222466928896 has 81 divisors (see below), whose sum is σ = 455793789493. Its totient is φ = 108369520640.

The previous prime is 222466928857. The next prime is 222466928897. The reversal of 222466928896 is 698829664222.

The square root of 222466928896 is 471664.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10719703296 + 211747225600 = 103536^2 + 460160^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

Its product of digits (71663616) is a multiple of the sum of its prime factors (1536).

It is not an unprimeable number, because it can be changed into a prime (222466928897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 309411225 + ... + 309411943.

Almost surely, 2^222466928896 is an apocalyptic number.

222466928896 is the 471664-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222466928896

222466928896 is an abundant number, since it is smaller than the sum of its proper divisors (233326860597).

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

222466928896 is an frugal number, since it uses more digits than its factorization.

222466928896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536 (or 762 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 64.

Multiplying 222466928896 by its sum of digits (64), we get a square (14237883449344 = 3773312²).

222466928896 divided by its sum of digits (64) gives a square (3476045764 = 58958²).

The spelling of 222466928896 in words is "two hundred twenty-two billion, four hundred sixty-six million, nine hundred twenty-eight thousand, eight hundred ninety-six".