222101231 has 8 divisors (see below), whose sum is σ = 243648000. Its totient is φ = 200780440.

The previous prime is 222101207. The next prime is 222101233. The reversal of 222101231 is 132101222.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222101231 is a prime.

It is a super-2 number, since 2×222101231² = 98657913623430722, 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 (222101233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54431 + ... + 58368.

It is an arithmetic number, because the mean of its divisors is an integer number (30456000).

Almost surely, 2^222101231 is an apocalyptic number.

222101231 is a deficient number, since it is larger than the sum of its proper divisors (21546769).

222101231 is a wasteful number, since it uses less digits than its factorization.

222101231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112989.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 222101231 is about 14903.0611285065. The cubic root of 222101231 is about 605.5969165002.

Adding to 222101231 its reverse (132101222), we get a palindrome (354202453).

Subtracting from 222101231 its reverse (132101222), we obtain a palindrome (90000009).

The spelling of 222101231 in words is "two hundred twenty-two million, one hundred one thousand, two hundred thirty-one".