22074739 has 2 divisors, whose sum is σ = 22074740. Its totient is φ = 22074738.

The previous prime is 22074737. The next prime is 22074839. The reversal of 22074739 is 93747022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22074739 - 2¹ = 22074737 is a prime.

Together with 22074737, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22074737) 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, 11037369 + 11037370.

It is an arithmetic number, because the mean of its divisors is an integer number (11037370).

Almost surely, 2^22074739 is an apocalyptic number.

22074739 is a deficient number, since it is larger than the sum of its proper divisors (1).

22074739 is an equidigital number, since it uses as much as digits as its factorization.

22074739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 22074739 is about 4698.3762088620. The cubic root of 22074739 is about 280.5208799037.

The spelling of 22074739 in words is "twenty-two million, seventy-four thousand, seven hundred thirty-nine".