222002231 has 4 divisors (see below), whose sum is σ = 242184264. Its totient is φ = 201820200.

The previous prime is 222002227. The next prime is 222002243. The reversal of 222002231 is 132200222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222002231 - 2² = 222002227 is a prime.

It is a super-2 number, since 2×222002231² = 98569981137954722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222002281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10091000 + ... + 10091021.

It is an arithmetic number, because the mean of its divisors is an integer number (60546066).

Almost surely, 2^222002231 is an apocalyptic number.

222002231 is a deficient number, since it is larger than the sum of its proper divisors (20182033).

222002231 is a wasteful number, since it uses less digits than its factorization.

222002231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20182032.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 222002231 is about 14899.7392930212. The cubic root of 222002231 is about 605.5069229948.

Adding to 222002231 its reverse (132200222), we get a palindrome (354202453).

The spelling of 222002231 in words is "two hundred twenty-two million, two thousand, two hundred thirty-one".