222684406 has 16 divisors (see below), whose sum is σ = 384090624. Its totient is φ = 94849704.

The previous prime is 222684379. The next prime is 222684421. The reversal of 222684406 is 604486222.

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, 46510 + ... + 51073.

It is an arithmetic number, because the mean of its divisors is an integer number (24005664).

Almost surely, 2^222684406 is an apocalyptic number.

222684406 is a deficient number, since it is larger than the sum of its proper divisors (161406218).

222684406 is a wasteful number, since it uses less digits than its factorization.

222684406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97755.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 222684406 is about 14922.6139131186. The cubic root of 222684406 is about 606.1264953218.

The spelling of 222684406 in words is "two hundred twenty-two million, six hundred eighty-four thousand, four hundred six".