2022458 has 4 divisors (see below), whose sum is σ = 3033690. Its totient is φ = 1011228.

The previous prime is 2022421. The next prime is 2022469. The reversal of 2022458 is 8542202.

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., 1181569 + 840889 = 1087^2 + 917^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505613 + ... + 505616.

2^2022458 is an apocalyptic number.

2022458 is a deficient number, since it is larger than the sum of its proper divisors (1011232).

2022458 is a wasteful number, since it uses less digits than its factorization.

2022458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011231.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2022458 is about 1422.1314988425. The cubic root of 2022458 is about 126.4619392128.

The spelling of 2022458 in words is "two million, twenty-two thousand, four hundred fifty-eight".