2122243042 has 16 divisors (see below), whose sum is σ = 3384737280. Its totient is φ = 994520128.

The previous prime is 2122243031. The next prime is 2122243049. The reversal of 2122243042 is 2403422212.

It is not an unprimeable number, because it can be changed into a prime (2122243049) 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, 122458 + ... + 138709.

It is an arithmetic number, because the mean of its divisors is an integer number (211546080).

Almost surely, 2^2122243042 is an apocalyptic number.

2122243042 is a deficient number, since it is larger than the sum of its proper divisors (1262494238).

2122243042 is a wasteful number, since it uses less digits than its factorization.

2122243042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261425.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2122243042 is about 46067.8091730006. The cubic root of 2122243042 is about 1285.0845613476.

Adding to 2122243042 its reverse (2403422212), we get a palindrome (4525665254).

The spelling of 2122243042 in words is "two billion, one hundred twenty-two million, two hundred forty-three thousand, forty-two".