2272971 has 8 divisors (see below), whose sum is σ = 3065040. Its totient is φ = 1498112.

The previous prime is 2272957. The next prime is 2272973. The reversal of 2272971 is 1792722.

It is a happy number.

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 2272971 - 2⁵ = 2272939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2272973) 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, 3990 + ... + 4523.

It is an arithmetic number, because the mean of its divisors is an integer number (383130).

2^2272971 is an apocalyptic number.

2272971 is a deficient number, since it is larger than the sum of its proper divisors (792069).

2272971 is an equidigital number, since it uses as much as digits as its factorization.

2272971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8605.

The product of its digits is 3528, while the sum is 30.

The square root of 2272971 is about 1507.6375559132. The cubic root of 2272971 is about 131.4814944056.

Subtracting from 2272971 its reverse (1792722), we obtain a square (480249 = 693²).

The spelling of 2272971 in words is "two million, two hundred seventy-two thousand, nine hundred seventy-one".