2022442 has 4 divisors (see below), whose sum is σ = 3033666. Its totient is φ = 1011220.

The previous prime is 2022421. The next prime is 2022469. The reversal of 2022442 is 2442202.

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., 1846881 + 175561 = 1359^2 + 419^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505609 + ... + 505612.

2^2022442 is an apocalyptic number.

2022442 is a deficient number, since it is larger than the sum of its proper divisors (1011224).

2022442 is a wasteful number, since it uses less digits than its factorization.

2022442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011223.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2022442 is about 1422.1258734725. The cubic root of 2022442 is about 126.4616057248.

Adding to 2022442 its reverse (2442202), we get a palindrome (4464644).

The spelling of 2022442 in words is "two million, twenty-two thousand, four hundred forty-two".