2022542 has 4 divisors (see below), whose sum is σ = 3033816. Its totient is φ = 1011270.

The previous prime is 2022539. The next prime is 2022583. The reversal of 2022542 is 2452202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2452202 = 2 ⋅1226101.

It is a super-2 number, since 2×2022542² = 8181352283528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2022542.

It is a congruent 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, 505634 + ... + 505637.

It is an arithmetic number, because the mean of its divisors is an integer number (758454).

2^2022542 is an apocalyptic number.

2022542 is a deficient number, since it is larger than the sum of its proper divisors (1011274).

2022542 is a wasteful number, since it uses less digits than its factorization.

2022542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011273.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2022542 is about 1422.1610316698. The cubic root of 2022542 is about 126.4636899959.

Adding to 2022542 its reverse (2452202), we get a palindrome (4474744).

It can be divided in two parts, 202 and 2542, that added together give a cube (2744 = 14³).

The spelling of 2022542 in words is "two million, twenty-two thousand, five hundred forty-two".