222231102031 has 4 divisors (see below), whose sum is σ = 224908585272. Its totient is φ = 219553618792.

The previous prime is 222231101999. The next prime is 222231102047. The reversal of 222231102031 is 130201132222.

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 222231102031 - 2⁵ = 222231101999 is a prime.

It is a super-2 number, since 2×222231102031² (a number of 23 digits) 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 (222231102631) 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, 1338741496 + ... + 1338741661.

It is an arithmetic number, because the mean of its divisors is an integer number (56227146318).

Almost surely, 2^222231102031 is an apocalyptic number.

222231102031 is a deficient number, since it is larger than the sum of its proper divisors (2677483241).

222231102031 is an equidigital number, since it uses as much as digits as its factorization.

222231102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677483240.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 222231102031 its reverse (130201132222), we get a palindrome (352432234253).

The spelling of 222231102031 in words is "two hundred twenty-two billion, two hundred thirty-one million, one hundred two thousand, thirty-one".