2722445 has 8 divisors (see below), whose sum is σ = 3564000. Its totient is φ = 1979920.

The previous prime is 2722439. The next prime is 2722457. The reversal of 2722445 is 5442272.

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

It is not a de Polignac number, because 2722445 - 2⁸ = 2722189 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24695 + ... + 24804.

It is an arithmetic number, because the mean of its divisors is an integer number (445500).

2^2722445 is an apocalyptic number.

It is an amenable number.

2722445 is a deficient number, since it is larger than the sum of its proper divisors (841555).

2722445 is a wasteful number, since it uses less digits than its factorization.

2722445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49515.

The product of its digits is 4480, while the sum is 26.

The square root of 2722445 is about 1649.9833332492. The cubic root of 2722445 is about 139.6324542842.

The spelling of 2722445 in words is "two million, seven hundred twenty-two thousand, four hundred forty-five".