22030031 has 2 divisors, whose sum is σ = 22030032. Its totient is φ = 22030030.

The previous prime is 22030007. The next prime is 22030037. The reversal of 22030031 is 13003022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22030031 is a prime.

It is a super-2 number, since 2×22030031² = 970644531721922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22029994 and 22030021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22030037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015015 + 11015016.

It is an arithmetic number, because the mean of its divisors is an integer number (11015016).

Almost surely, 2^22030031 is an apocalyptic number.

22030031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22030031 is an equidigital number, since it uses as much as digits as its factorization.

22030031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 22030031 is about 4693.6159834396. The cubic root of 22030031 is about 280.3313721315.

Adding to 22030031 its reverse (13003022), we get a palindrome (35033053).

The spelling of 22030031 in words is "twenty-two million, thirty thousand, thirty-one".