20221122031 has 6 divisors (see below), whose sum is σ = 22226522696. Its totient is φ = 18382838100.

The previous prime is 20221122023. The next prime is 20221122041. The reversal of 20221122031 is 13022112202.

It is a happy number.

It is not a de Polignac number, because 20221122031 - 2³ = 20221122023 is a prime.

It is a super-2 number, since 2×20221122031² (a number of 21 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 = 20221121996 and 20221122014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221122011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83558235 + ... + 83558476.

Almost surely, 2^20221122031 is an apocalyptic number.

20221122031 is a deficient number, since it is larger than the sum of its proper divisors (2005400665).

20221122031 is a wasteful number, since it uses less digits than its factorization.

20221122031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167116733 (or 167116722 counting only the distinct ones).

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

Adding to 20221122031 its reverse (13022112202), we get a palindrome (33243234233).

The spelling of 20221122031 in words is "twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, thirty-one".