2122342042 has 4 divisors (see below), whose sum is σ = 3183513066. Its totient is φ = 1061171020.

The previous prime is 2122342037. The next prime is 2122342051. The reversal of 2122342042 is 2402432212.

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., 1700820081 + 421521961 = 41241^2 + 20531^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530585509 + ... + 530585512.

Almost surely, 2^2122342042 is an apocalyptic number.

2122342042 is a deficient number, since it is larger than the sum of its proper divisors (1061171024).

2122342042 is a wasteful number, since it uses less digits than its factorization.

2122342042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061171023.

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

The square root of 2122342042 is about 46068.8836634881. The cubic root of 2122342042 is about 1285.1045435694.

Adding to 2122342042 its reverse (2402432212), we get a palindrome (4524774254).

The spelling of 2122342042 in words is "two billion, one hundred twenty-two million, three hundred forty-two thousand, forty-two".