22774 has 8 divisors (see below), whose sum is σ = 34920. Its totient is φ = 11136.

The previous prime is 22769. The next prime is 22777. The reversal of 22774 is 47722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22777) 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, 22 + ... + 214.

It is an arithmetic number, because the mean of its divisors is an integer number (4365).

2²²⁷⁷⁴ is an apocalyptic number.

22774 is a deficient number, since it is larger than the sum of its proper divisors (12146).

22774 is a wasteful number, since it uses less digits than its factorization.

22774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254.

The product of its digits is 784, while the sum is 22.

The square root of 22774 is about 150.9105695437. The cubic root of 22774 is about 28.3452160846.

The spelling of 22774 in words is "twenty-two thousand, seven hundred seventy-four", and thus it is an iban number.