22674437 has 2 divisors, whose sum is σ = 22674438. Its totient is φ = 22674436.

The previous prime is 22674401. The next prime is 22674461. The reversal of 22674437 is 73447622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16394401 + 6280036 = 4049^2 + 2506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22674437 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22674397 and 22674406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22674497) 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, 11337218 + 11337219.

It is an arithmetic number, because the mean of its divisors is an integer number (11337219).

Almost surely, 2^22674437 is an apocalyptic number.

It is an amenable number.

22674437 is a deficient number, since it is larger than the sum of its proper divisors (1).

22674437 is an equidigital number, since it uses as much as digits as its factorization.

22674437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 35.

The square root of 22674437 is about 4761.7682639961. The cubic root of 22674437 is about 283.0384936006.

The spelling of 22674437 in words is "twenty-two million, six hundred seventy-four thousand, four hundred thirty-seven".