222301321031 has 4 divisors (see below), whose sum is σ = 222311569632. Its totient is φ = 222291072432.

The previous prime is 222301321003. The next prime is 222301321087. The reversal of 222301321031 is 130123103222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222301321031 is a prime.

It is a super-2 number, since 2×222301321031² (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 = 222301320994 and 222301321012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222301321001) 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, 5091695 + ... + 5135168.

It is an arithmetic number, because the mean of its divisors is an integer number (55577892408).

Almost surely, 2^222301321031 is an apocalyptic number.

222301321031 is a deficient number, since it is larger than the sum of its proper divisors (10248601).

222301321031 is a wasteful number, since it uses less digits than its factorization.

222301321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10248600.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 222301321031 its reverse (130123103222), we get a palindrome (352424424253).

The spelling of 222301321031 in words is "two hundred twenty-two billion, three hundred one million, three hundred twenty-one thousand, thirty-one".