22749097 has 4 divisors (see below), whose sum is σ = 25998976. Its totient is φ = 19499220.

The previous prime is 22749073. The next prime is 22749101. The reversal of 22749097 is 79094722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22749097 - 2¹⁵ = 22716329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22749037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1624929 + ... + 1624942.

It is an arithmetic number, because the mean of its divisors is an integer number (6499744).

Almost surely, 2^22749097 is an apocalyptic number.

It is an amenable number.

22749097 is a deficient number, since it is larger than the sum of its proper divisors (3249879).

22749097 is an equidigital number, since it uses as much as digits as its factorization.

22749097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249878.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 22749097 is about 4769.6013460246. The cubic root of 22749097 is about 283.3488063830.

The spelling of 22749097 in words is "twenty-two million, seven hundred forty-nine thousand, ninety-seven".