222422305 has 32 divisors (see below), whose sum is σ = 337042944. Its totient is φ = 137296896.

The previous prime is 222422297. The next prime is 222422323. The reversal of 222422305 is 503224222.

It is a happy number.

It is not a de Polignac number, because 222422305 - 2³ = 222422297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5559 + ... + 21811.

It is an arithmetic number, because the mean of its divisors is an integer number (10532592).

Almost surely, 2^222422305 is an apocalyptic number.

It is an amenable number.

222422305 is a deficient number, since it is larger than the sum of its proper divisors (114620639).

222422305 is a wasteful number, since it uses less digits than its factorization.

222422305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16305.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 222422305 is about 14913.8293204663. The cubic root of 222422305 is about 605.8885970138. Note that the first 3 decimals are identical.

Adding to 222422305 its reverse (503224222), we get a palindrome (725646527).

The spelling of 222422305 in words is "two hundred twenty-two million, four hundred twenty-two thousand, three hundred five".