22023031 has 2 divisors, whose sum is σ = 22023032. Its totient is φ = 22023030.

The previous prime is 22023019. The next prime is 22023047. The reversal of 22023031 is 13032022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22023031 - 2⁵ = 22022999 is a prime.

It is a super-2 number, since 2×22023031² = 970027788853922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22023091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011515 + 11011516.

It is an arithmetic number, because the mean of its divisors is an integer number (11011516).

Almost surely, 2^22023031 is an apocalyptic number.

22023031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22023031 is an equidigital number, since it uses as much as digits as its factorization.

22023031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 22023031 is about 4692.8702304666. The cubic root of 22023031 is about 280.3016774012.

Adding to 22023031 its reverse (13032022), we get a palindrome (35055053).

The spelling of 22023031 in words is "twenty-two million, twenty-three thousand, thirty-one".