222651466 has 16 divisors (see below), whose sum is σ = 337708800. Its totient is φ = 110086128.

The previous prime is 222651449. The next prime is 222651469. The reversal of 222651466 is 664156222.

It is not an unprimeable number, because it can be changed into a prime (222651469) 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, 213775 + ... + 214813.

It is an arithmetic number, because the mean of its divisors is an integer number (21106800).

Almost surely, 2^222651466 is an apocalyptic number.

222651466 is a deficient number, since it is larger than the sum of its proper divisors (115057334).

222651466 is a wasteful number, since it uses less digits than its factorization.

222651466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133.

The product of its digits is 34560, while the sum is 34.

The square root of 222651466 is about 14921.5101782628. The cubic root of 222651466 is about 606.0966072968.

The spelling of 222651466 in words is "two hundred twenty-two million, six hundred fifty-one thousand, four hundred sixty-six".