2222042 has 4 divisors (see below), whose sum is σ = 3333066. Its totient is φ = 1111020.

The previous prime is 2222039. The next prime is 2222071. The reversal of 2222042 is 2402222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2402222 = 2 ⋅1201111.

It can be written as a sum of positive squares in only one way, i.e., 2070721 + 151321 = 1439^2 + 389^2 .

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, 555509 + ... + 555512.

2^2222042 is an apocalyptic number.

2222042 is a deficient number, since it is larger than the sum of its proper divisors (1111024).

2222042 is a wasteful number, since it uses less digits than its factorization.

2222042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111023.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2222042 is about 1490.6515354032. The cubic root of 2222042 is about 130.4920602129.

Adding to 2222042 its reverse (2402222), we get a palindrome (4624264).

The spelling of 2222042 in words is "two million, two hundred twenty-two thousand, forty-two".