22274271 has 20 divisors (see below), whose sum is σ = 33738672. Its totient is φ = 14642208.

The previous prime is 22274261. The next prime is 22274279. The reversal of 22274271 is 17247222.

It is not a de Polignac number, because 22274271 - 2¹⁴ = 22257887 is a prime.

It is a super-2 number, since 2×22274271² = 992286297162882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22274279) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4030 + ... + 7796.

Almost surely, 2^22274271 is an apocalyptic number.

22274271 is a deficient number, since it is larger than the sum of its proper divisors (11464401).

22274271 is an equidigital number, since it uses as much as digits as its factorization.

22274271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852 (or 3843 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 22274271 is about 4719.5625856641. The cubic root of 22274271 is about 281.3635488175.

The spelling of 22274271 in words is "twenty-two million, two hundred seventy-four thousand, two hundred seventy-one".