22467749 has 2 divisors, whose sum is σ = 22467750. Its totient is φ = 22467748.

The previous prime is 22467719. The next prime is 22467773. The reversal of 22467749 is 94776422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22420225 + 47524 = 4735^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 22467749 - 2²⁰ = 21419173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22467719) 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, 11233874 + 11233875.

It is an arithmetic number, because the mean of its divisors is an integer number (11233875).

Almost surely, 2^22467749 is an apocalyptic number.

It is an amenable number.

22467749 is a deficient number, since it is larger than the sum of its proper divisors (1).

22467749 is an equidigital number, since it uses as much as digits as its factorization.

22467749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 41.

The square root of 22467749 is about 4740.0157172735. The cubic root of 22467749 is about 282.1758581522.

The spelling of 22467749 in words is "twenty-two million, four hundred sixty-seven thousand, seven hundred forty-nine".