22733831 has 2 divisors, whose sum is σ = 22733832. Its totient is φ = 22733830.

The previous prime is 22733827. The next prime is 22733833. The reversal of 22733831 is 13833722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22733831 - 2² = 22733827 is a prime.

It is a super-2 number, since 2×22733831² = 1033654143873122, which contains 22 as substring.

Together with 22733833, 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 = 22733794 and 22733803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22733833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11366915 + 11366916.

It is an arithmetic number, because the mean of its divisors is an integer number (11366916).

Almost surely, 2^22733831 is an apocalyptic number.

22733831 is a deficient number, since it is larger than the sum of its proper divisors (1).

22733831 is an equidigital number, since it uses as much as digits as its factorization.

22733831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 22733831 is about 4768.0007340603. Note that the first 3 decimals coincide. The cubic root of 22733831 is about 283.2854108876.

The spelling of 22733831 in words is "twenty-two million, seven hundred thirty-three thousand, eight hundred thirty-one".