22336031 has 2 divisors, whose sum is σ = 22336032. Its totient is φ = 22336030.

The previous prime is 22336019. The next prime is 22336033. The reversal of 22336031 is 13063322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22336031 is a prime.

It is a super-2 number, since 2×22336031² = 997796561665922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 22336033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22335994 and 22336012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22336033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11168015 + 11168016.

It is an arithmetic number, because the mean of its divisors is an integer number (11168016).

Almost surely, 2^22336031 is an apocalyptic number.

22336031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22336031 is an equidigital number, since it uses as much as digits as its factorization.

22336031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 22336031 is about 4726.1010357376. The cubic root of 22336031 is about 281.6233549562.

Adding to 22336031 its reverse (13063322), we get a palindrome (35399353).

The spelling of 22336031 in words is "twenty-two million, three hundred thirty-six thousand, thirty-one".