222556226 has 8 divisors (see below), whose sum is σ = 336271500. Its totient is φ = 110465728.

The previous prime is 222556207. The next prime is 222556247. The reversal of 222556226 is 622655222.

It can be written as a sum of positive squares in 2 ways, for example, as 203205025 + 19351201 = 14255^2 + 4399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 222556192 and 222556201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405851 + ... + 406398.

Almost surely, 2^222556226 is an apocalyptic number.

222556226 is a deficient number, since it is larger than the sum of its proper divisors (113715274).

222556226 is a wasteful number, since it uses less digits than its factorization.

222556226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812388.

The product of its digits is 28800, while the sum is 32.

The square root of 222556226 is about 14918.3184709269. The cubic root of 222556226 is about 606.0101749391.

The spelling of 222556226 in words is "two hundred twenty-two million, five hundred fifty-six thousand, two hundred twenty-six".