222231031 has 16 divisors (see below), whose sum is σ = 251395200. Its totient is φ = 194594400.

The previous prime is 222231017. The next prime is 222231041. The reversal of 222231031 is 130132222.

It is not a de Polignac number, because 222231031 - 2⁵ = 222230999 is a prime.

It is a super-2 number, since 2×222231031² = 98773262278645922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222230996 and 222231014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222231001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258280 + ... + 259138.

It is an arithmetic number, because the mean of its divisors is an integer number (15712200).

Almost surely, 2^222231031 is an apocalyptic number.

222231031 is a deficient number, since it is larger than the sum of its proper divisors (29164169).

222231031 is a wasteful number, since it uses less digits than its factorization.

222231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 222231031 is about 14907.4153024594. The cubic root of 222231031 is about 605.7148674774.

Adding to 222231031 its reverse (130132222), we get a palindrome (352363253).

The spelling of 222231031 in words is "two hundred twenty-two million, two hundred thirty-one thousand, thirty-one".