22774641 has 4 divisors (see below), whose sum is σ = 30366192. Its totient is φ = 15183092.

The previous prime is 22774637. The next prime is 22774643. The reversal of 22774641 is 14647722.

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 22774641 - 2² = 22774637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22774643) 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 in 3 ways as a sum of consecutive naturals, for example, 3795771 + ... + 3795776.

It is an arithmetic number, because the mean of its divisors is an integer number (7591548).

Almost surely, 2^22774641 is an apocalyptic number.

It is an amenable number.

22774641 is a deficient number, since it is larger than the sum of its proper divisors (7591551).

22774641 is an equidigital number, since it uses as much as digits as its factorization.

22774641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7591550.

The product of its digits is 18816, while the sum is 33.

The square root of 22774641 is about 4772.2783866828. The cubic root of 22774641 is about 283.4548201817.

The spelling of 22774641 in words is "twenty-two million, seven hundred seventy-four thousand, six hundred forty-one".