222030664 has 8 divisors (see below), whose sum is σ = 416307510. Its totient is φ = 111015328.

The previous prime is 222030647. The next prime is 222030701. The reversal of 222030664 is 466030222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 115734564 + 106296100 = 10758^2 + 10310^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13876909 + ... + 13876924.

Almost surely, 2^222030664 is an apocalyptic number.

It is an amenable number.

222030664 is a deficient number, since it is larger than the sum of its proper divisors (194276846).

222030664 is a wasteful number, since it uses less digits than its factorization.

222030664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27753839 (or 27753835 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 222030664 is about 14900.6934066841. The cubic root of 222030664 is about 605.5327720494.

Adding to 222030664 its reverse (466030222), we get a palindrome (688060886).

The spelling of 222030664 in words is "two hundred twenty-two million, thirty thousand, six hundred sixty-four".