222355215 has 12 divisors (see below), whose sum is σ = 385415784. Its totient is φ = 118589424.

The previous prime is 222355213. The next prime is 222355277. The reversal of 222355215 is 512553222.

It is not a de Polignac number, because 222355215 - 2¹ = 222355213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222355213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2470569 + ... + 2470658.

It is an arithmetic number, because the mean of its divisors is an integer number (32117982).

Almost surely, 2^222355215 is an apocalyptic number.

222355215 is a deficient number, since it is larger than the sum of its proper divisors (163060569).

222355215 is a wasteful number, since it uses less digits than its factorization.

222355215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4941238 (or 4941235 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 222355215 is about 14911.5798961747. The cubic root of 222355215 is about 605.8276721383.

The spelling of 222355215 in words is "two hundred twenty-two million, three hundred fifty-five thousand, two hundred fifteen".