222221001031 has 8 divisors (see below), whose sum is σ = 232159874400. Its totient is φ = 212433866400.

The previous prime is 222221001017. The next prime is 222221001043. The reversal of 222221001031 is 130100122222.

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 not a de Polignac number, because 222221001031 - 2⁵ = 222221000999 is a prime.

It is a super-2 number, since 2×222221001031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222221000996 and 222221001014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222221001001) 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, 37931691 + ... + 37937548.

It is an arithmetic number, because the mean of its divisors is an integer number (29019984300).

Almost surely, 2^222221001031 is an apocalyptic number.

222221001031 is a deficient number, since it is larger than the sum of its proper divisors (9938873369).

222221001031 is a wasteful number, since it uses less digits than its factorization.

222221001031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75869369.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 222221001031 its reverse (130100122222), we get a palindrome (352321123253).

The spelling of 222221001031 in words is "two hundred twenty-two billion, two hundred twenty-one million, one thousand, thirty-one".