222445386 has 16 divisors (see below), whose sum is σ = 494323200. Its totient is φ = 74148444.

The previous prime is 222445373. The next prime is 222445387. The reversal of 222445386 is 683544222.

222445386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222445386.

It is not an unprimeable number, because it can be changed into a prime (222445387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2059626 + ... + 2059733.

It is an arithmetic number, because the mean of its divisors is an integer number (30895200).

Almost surely, 2^222445386 is an apocalyptic number.

222445386 is an abundant number, since it is smaller than the sum of its proper divisors (271877814).

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

222445386 is a wasteful number, since it uses less digits than its factorization.

222445386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119370 (or 4119364 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 222445386 is about 14914.6031123862. The cubic root of 222445386 is about 605.9095541910.

The spelling of 222445386 in words is "two hundred twenty-two million, four hundred forty-five thousand, three hundred eighty-six".