22274905 has 8 divisors (see below), whose sum is σ = 26756352. Its totient is φ = 17802288.

The previous prime is 22274891. The next prime is 22274909. The reversal of 22274905 is 50947222.

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

It is a cyclic number.

It is not a de Polignac number, because 22274905 - 2¹¹ = 22272857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22274909) 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, 6414 + ... + 9256.

It is an arithmetic number, because the mean of its divisors is an integer number (3344544).

Almost surely, 2^22274905 is an apocalyptic number.

It is an amenable number.

22274905 is a deficient number, since it is larger than the sum of its proper divisors (4481447).

22274905 is a wasteful number, since it uses less digits than its factorization.

22274905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4415.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 22274905 is about 4719.6297524276. The cubic root of 22274905 is about 281.3662183070.

The spelling of 22274905 in words is "twenty-two million, two hundred seventy-four thousand, nine hundred five".