2272605 has 8 divisors (see below), whose sum is σ = 3636192. Its totient is φ = 1212048.

The previous prime is 2272603. The next prime is 2272619. The reversal of 2272605 is 5062722.

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

It is not a de Polignac number, because 2272605 - 2¹ = 2272603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272603) 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, 75739 + ... + 75768.

It is an arithmetic number, because the mean of its divisors is an integer number (454524).

2^2272605 is an apocalyptic number.

It is an amenable number.

2272605 is a deficient number, since it is larger than the sum of its proper divisors (1363587).

2272605 is a wasteful number, since it uses less digits than its factorization.

2272605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151515.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 2272605 is about 1507.5161690675. The cubic root of 2272605 is about 131.4744368570.

It can be divided in two parts, 22 and 72605, that added together give a palindrome (72627).

The spelling of 2272605 in words is "two million, two hundred seventy-two thousand, six hundred five".