222404652 has 36 divisors (see below), whose sum is σ = 591780280. Its totient is φ = 70232832.

The previous prime is 222404639. The next prime is 222404711. The reversal of 222404652 is 256404222.

It is a happy number.

222404652 is a `hidden beast` number, since 2 + 2 + 2 + 4 + 0 + 4 + 652 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×222404652² = 98927658462482208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161893 + ... + 163260.

Almost surely, 2^222404652 is an apocalyptic number.

It is an amenable number.

222404652 is an abundant number, since it is smaller than the sum of its proper divisors (369375628).

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

222404652 is a wasteful number, since it uses less digits than its factorization.

222404652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325182 (or 325177 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 222404652 is about 14913.2374754780. The cubic root of 222404652 is about 605.8725673948.

Adding to 222404652 its reverse (256404222), we get a palindrome (478808874).

The spelling of 222404652 in words is "two hundred twenty-two million, four hundred four thousand, six hundred fifty-two".