2622458 has 4 divisors (see below), whose sum is σ = 3933690. Its totient is φ = 1311228.

The previous prime is 2622443. The next prime is 2622461. The reversal of 2622458 is 8542262.

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

It can be written as a sum of positive squares in only one way, i.e., 2024929 + 597529 = 1423^2 + 773^2 .

It is a Curzon number.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 2622458.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655613 + ... + 655616.

2^2622458 is an apocalyptic number.

2622458 is a deficient number, since it is larger than the sum of its proper divisors (1311232).

2622458 is a wasteful number, since it uses less digits than its factorization.

2622458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311231.

The product of its digits is 7680, while the sum is 29.

The square root of 2622458 is about 1619.4005063603. The cubic root of 2622458 is about 137.9016662776.

The spelling of 2622458 in words is "two million, six hundred twenty-two thousand, four hundred fifty-eight".