22774449 has 4 divisors (see below), whose sum is σ = 30365936. Its totient is φ = 15182964.

The previous prime is 22774421. The next prime is 22774459. The reversal of 22774449 is 94447722.

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 not a de Polignac number, because 22774449 - 2¹² = 22770353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22774459) 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, 3795739 + ... + 3795744.

It is an arithmetic number, because the mean of its divisors is an integer number (7591484).

Almost surely, 2^22774449 is an apocalyptic number.

It is an amenable number.

22774449 is a deficient number, since it is larger than the sum of its proper divisors (7591487).

22774449 is an equidigital number, since it uses as much as digits as its factorization.

22774449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7591486.

The product of its digits is 112896, while the sum is 39.

The square root of 22774449 is about 4772.2582704627. The cubic root of 22774449 is about 283.4540236308.

The spelling of 22774449 in words is "twenty-two million, seven hundred seventy-four thousand, four hundred forty-nine".