222120222031 has 8 divisors (see below), whose sum is σ = 227559052224. Its totient is φ = 216682404480.

The previous prime is 222120222017. The next prime is 222120222041. The reversal of 222120222031 is 130222021222.

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 222120222031 - 2¹³ = 222120213839 is a prime.

It is a super-2 number, since 2×222120222031² (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 (222120222041) 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, 200746 + ... + 696088.

It is an arithmetic number, because the mean of its divisors is an integer number (28444881528).

Almost surely, 2^222120222031 is an apocalyptic number.

222120222031 is a deficient number, since it is larger than the sum of its proper divisors (5438830193).

222120222031 is a wasteful number, since it uses less digits than its factorization.

222120222031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506321.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 222120222031 its reverse (130222021222), we get a palindrome (352342243253).

The spelling of 222120222031 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, thirty-one".