2122458 has 16 divisors (see below), whose sum is σ = 4571616. Its totient is φ = 653040.

The previous prime is 2122451. The next prime is 2122459. The reversal of 2122458 is 8542212.

It is not an unprimeable number, because it can be changed into a prime (2122451) 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, 13528 + ... + 13683.

It is an arithmetic number, because the mean of its divisors is an integer number (285726).

2^2122458 is an apocalyptic number.

2122458 is an abundant number, since it is smaller than the sum of its proper divisors (2449158).

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

2122458 is a wasteful number, since it uses less digits than its factorization.

2122458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27229.

The product of its digits is 1280, while the sum is 24.

The square root of 2122458 is about 1456.8658139994. The cubic root of 2122458 is about 128.5127947814.

The spelling of 2122458 in words is "two million, one hundred twenty-two thousand, four hundred fifty-eight".