227221204 has 24 divisors (see below), whose sum is σ = 455103488. Its totient is φ = 97238880.

The previous prime is 227221151. The next prime is 227221219. The reversal of 227221204 is 402122722.

It is a happy number.

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, 14989 + ... + 26059.

Almost surely, 2^227221204 is an apocalyptic number.

It is an amenable number.

227221204 is an abundant number, since it is smaller than the sum of its proper divisors (227882284).

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

227221204 is a wasteful number, since it uses less digits than its factorization.

227221204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11815 (or 11813 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 227221204 is about 15073.8582983920. The cubic root of 227221204 is about 610.2151028553.

Adding to 227221204 its reverse (402122722), we get a palindrome (629343926).

The spelling of 227221204 in words is "two hundred twenty-seven million, two hundred twenty-one thousand, two hundred four".