22274791 has 8 divisors (see below), whose sum is σ = 27771264. Its totient is φ = 17356920.

The previous prime is 22274737. The next prime is 22274797. The reversal of 22274791 is 19747222.

It is a happy number.

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

It is not a de Polignac number, because 22274791 - 2⁹ = 22274279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22274797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144565 + ... + 144718.

It is an arithmetic number, because the mean of its divisors is an integer number (3471408).

Almost surely, 2^22274791 is an apocalyptic number.

22274791 is a deficient number, since it is larger than the sum of its proper divisors (5496473).

22274791 is a wasteful number, since it uses less digits than its factorization.

22274791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289301.

The product of its digits is 14112, while the sum is 34.

The square root of 22274791 is about 4719.6176751936. The cubic root of 22274791 is about 281.3657383079.

The spelling of 22274791 in words is "twenty-two million, two hundred seventy-four thousand, seven hundred ninety-one".