222651222 has 8 divisors (see below), whose sum is σ = 445302456. Its totient is φ = 74217072.

The previous prime is 222651217. The next prime is 222651239. The reversal of 222651222 is 222156222.

It is a happy number.

222651222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

222651222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 222651192 and 222651201.

It is a congruent number.

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, 18554263 + ... + 18554274.

It is an arithmetic number, because the mean of its divisors is an integer number (55662807).

Almost surely, 2^222651222 is an apocalyptic number.

222651222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

222651222 is a wasteful number, since it uses less digits than its factorization.

222651222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37108542.

The product of its digits is 1920, while the sum is 24.

The square root of 222651222 is about 14921.5020021444. The cubic root of 222651222 is about 606.0963858930.

The spelling of 222651222 in words is "two hundred twenty-two million, six hundred fifty-one thousand, two hundred twenty-two".