2722453 has 4 divisors (see below), whose sum is σ = 2865760. Its totient is φ = 2579148.

The previous prime is 2722439. The next prime is 2722457. The reversal of 2722453 is 3542272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2722453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722457) 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, 71625 + ... + 71662.

It is an arithmetic number, because the mean of its divisors is an integer number (716440).

2^2722453 is an apocalyptic number.

It is an amenable number.

2722453 is a deficient number, since it is larger than the sum of its proper divisors (143307).

2722453 is a wasteful number, since it uses less digits than its factorization.

2722453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143306.

The product of its digits is 3360, while the sum is 25.

The square root of 2722453 is about 1649.9857575143. The cubic root of 2722453 is about 139.6325910557.

The spelling of 2722453 in words is "two million, seven hundred twenty-two thousand, four hundred fifty-three".