2722458 has 16 divisors (see below), whose sum is σ = 5475456. Its totient is φ = 902400.

The previous prime is 2722457. The next prime is 2722469. The reversal of 2722458 is 8542272.

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 7 ways as a sum of consecutive naturals, for example, 18 + ... + 2333.

It is an arithmetic number, because the mean of its divisors is an integer number (342216).

2^2722458 is an apocalyptic number.

2722458 is an abundant number, since it is smaller than the sum of its proper divisors (2752998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2722458 is a wasteful number, since it uses less digits than its factorization.

2722458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549.

The product of its digits is 8960, while the sum is 30.

The square root of 2722458 is about 1649.9872726782. The cubic root of 2722458 is about 139.6326765378.

The spelling of 2722458 in words is "two million, seven hundred twenty-two thousand, four hundred fifty-eight".