22734251 has 2 divisors, whose sum is σ = 22734252. Its totient is φ = 22734250.

The previous prime is 22734233. The next prime is 22734329. The reversal of 22734251 is 15243722.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22734251 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22734251.

It is not a weakly prime, because it can be changed into another prime (22734451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11367125 + 11367126.

It is an arithmetic number, because the mean of its divisors is an integer number (11367126).

Almost surely, 2^22734251 is an apocalyptic number.

22734251 is a deficient number, since it is larger than the sum of its proper divisors (1).

22734251 is an equidigital number, since it uses as much as digits as its factorization.

22734251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 26.

The square root of 22734251 is about 4768.0447774743. The cubic root of 22734251 is about 283.2871554116.

Adding to 22734251 its reverse (15243722), we get a palindrome (37977973).

The spelling of 22734251 in words is "twenty-two million, seven hundred thirty-four thousand, two hundred fifty-one".