222670160 has 20 divisors (see below), whose sum is σ = 517708308. Its totient is φ = 89068032.

The previous prime is 222670141. The next prime is 222670163. The reversal of 222670160 is 61076222.

It can be written as a sum of positive squares in 2 ways, for example, as 118548544 + 104121616 = 10888^2 + 10204^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222670163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391609 + ... + 1391768.

Almost surely, 2^222670160 is an apocalyptic number.

222670160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222670160 is an abundant number, since it is smaller than the sum of its proper divisors (295038148).

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

222670160 is a wasteful number, since it uses less digits than its factorization.

222670160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783390 (or 2783384 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 222670160 is about 14922.1365762414. The cubic root of 222670160 is about 606.1135696118.

The spelling of 222670160 in words is "two hundred twenty-two million, six hundred seventy thousand, one hundred sixty".