2272723 has 4 divisors (see below), whose sum is σ = 2392360. Its totient is φ = 2153088.

The previous prime is 2272691. The next prime is 2272727. The reversal of 2272723 is 3272722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2272723 - 2⁵ = 2272691 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 2¹³ + 7⁵ + 2¹⁵ + 7⁶ + 2²¹ + 3³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2272727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59790 + ... + 59827.

It is an arithmetic number, because the mean of its divisors is an integer number (598090).

2^2272723 is an apocalyptic number.

2272723 is a deficient number, since it is larger than the sum of its proper divisors (119637).

2272723 is a wasteful number, since it uses less digits than its factorization.

2272723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119636.

The product of its digits is 2352, while the sum is 25.

The square root of 2272723 is about 1507.5553057848. Note that the first 3 decimals coincide. The cubic root of 2272723 is about 131.4767123243.

Subtracting 2272723 from its reverse (3272722), we obtain a palindrome (999999).

The spelling of 2272723 in words is "two million, two hundred seventy-two thousand, seven hundred twenty-three".