222656214 has 24 divisors (see below), whose sum is σ = 489477240. Its totient is φ = 67471360.

The previous prime is 222656197. The next prime is 222656219. The reversal of 222656214 is 412656222.

It is a happy number.

222656214 is nontrivially palindromic in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222656219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152619 + ... + 154070.

It is an arithmetic number, because the mean of its divisors is an integer number (20394885).

Almost surely, 2^222656214 is an apocalyptic number.

222656214 is an abundant number, since it is smaller than the sum of its proper divisors (266821026).

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

222656214 is a wasteful number, since it uses less digits than its factorization.

222656214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306716 (or 306705 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 222656214 is about 14921.6692765923. The cubic root of 222656214 is about 606.1009155643.

The spelling of 222656214 in words is "two hundred twenty-two million, six hundred fifty-six thousand, two hundred fourteen".