22302739 has 2 divisors, whose sum is σ = 22302740. Its totient is φ = 22302738.

The previous prime is 22302701. The next prime is 22302799. The reversal of 22302739 is 93720322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22302739 - 2⁹ = 22302227 is a prime.

It is not a weakly prime, because it can be changed into another prime (22302799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11151369 + 11151370.

It is an arithmetic number, because the mean of its divisors is an integer number (11151370).

Almost surely, 2^22302739 is an apocalyptic number.

22302739 is a deficient number, since it is larger than the sum of its proper divisors (1).

22302739 is an equidigital number, since it uses as much as digits as its factorization.

22302739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 22302739 is about 4722.5775800933. The cubic root of 22302739 is about 281.4833648982.

The spelling of 22302739 in words is "twenty-two million, three hundred two thousand, seven hundred thirty-nine".