1222023202031 has 16 divisors (see below), whose sum is σ = 1228576873248. Its totient is φ = 1215493171200.

The previous prime is 1222023202003. The next prime is 1222023202061. The reversal of 1222023202031 is 1302023202221.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222023202031 is a prime.

It is a super-2 number, since 2×1222023202031² (a number of 25 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 = 1222023201994 and 1222023202012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222023202061) 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, 203294816 + ... + 203300826.

It is an arithmetic number, because the mean of its divisors is an integer number (76786054578).

Almost surely, 2^{1222023202031} is an apocalyptic number.

1222023202031 is a deficient number, since it is larger than the sum of its proper divisors (6553671217).

1222023202031 is an equidigital number, since it uses as much as digits as its factorization.

1222023202031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7802.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1222023202031 its reverse (1302023202221), we get a palindrome (2524046404252).

It can be divided in two parts, 122202 and 3202031, that added together give a palindrome (3324233).

The spelling of 1222023202031 in words is "one trillion, two hundred twenty-two billion, twenty-three million, two hundred two thousand, thirty-one".