22400933 has 2 divisors, whose sum is σ = 22400934. Its totient is φ = 22400932.

The previous prime is 22400929. The next prime is 22400957. The reversal of 22400933 is 33900422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21967969 + 432964 = 4687^2 + 658^2 .

It is a cyclic number.

It is not a de Polignac number, because 22400933 - 2² = 22400929 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22400899 and 22400908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22400923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11200466 + 11200467.

It is an arithmetic number, because the mean of its divisors is an integer number (11200467).

Almost surely, 2^22400933 is an apocalyptic number.

It is an amenable number.

22400933 is a deficient number, since it is larger than the sum of its proper divisors (1).

22400933 is an equidigital number, since it uses as much as digits as its factorization.

22400933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 22400933 is about 4732.9623915683. The cubic root of 22400933 is about 281.8958629959.

The spelling of 22400933 in words is "twenty-two million, four hundred thousand, nine hundred thirty-three".