222266406 has 16 divisors (see below), whose sum is σ = 444942144. Its totient is φ = 74020584.

The previous prime is 222266333. The next prime is 222266419. The reversal of 222266406 is 604662222.

222266406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9756 + ... + 23231.

It is an arithmetic number, because the mean of its divisors is an integer number (27808884).

Almost surely, 2^222266406 is an apocalyptic number.

222266406 is an abundant number, since it is smaller than the sum of its proper divisors (222675738).

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

222266406 is a wasteful number, since it uses less digits than its factorization.

222266406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34115.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 222266406 is about 14908.6017453013. The cubic root of 222266406 is about 605.7470052434.

The spelling of 222266406 in words is "two hundred twenty-two million, two hundred sixty-six thousand, four hundred six".