22372751 has 2 divisors, whose sum is σ = 22372752. Its totient is φ = 22372750.

The previous prime is 22372729. The next prime is 22372769. The reversal of 22372751 is 15727322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22372751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22372781) 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, 11186375 + 11186376.

It is an arithmetic number, because the mean of its divisors is an integer number (11186376).

Almost surely, 2^22372751 is an apocalyptic number.

22372751 is a deficient number, since it is larger than the sum of its proper divisors (1).

22372751 is an equidigital number, since it uses as much as digits as its factorization.

22372751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 29.

The square root of 22372751 is about 4729.9842494452. The cubic root of 22372751 is about 281.7775982332. Note that the first 3 decimals are identical.

The spelling of 22372751 in words is "twenty-two million, three hundred seventy-two thousand, seven hundred fifty-one".