2122242143 has 4 divisors (see below), whose sum is σ = 2425419600. Its totient is φ = 1819064688.

The previous prime is 2122242077. The next prime is 2122242149. The reversal of 2122242143 is 3412422212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2122242143 - 2⁸ = 2122241887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122242149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151588718 + ... + 151588731.

It is an arithmetic number, because the mean of its divisors is an integer number (606354900).

Almost surely, 2^2122242143 is an apocalyptic number.

2122242143 is a deficient number, since it is larger than the sum of its proper divisors (303177457).

2122242143 is an equidigital number, since it uses as much as digits as its factorization.

2122242143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303177456.

The product of its digits is 1536, while the sum is 23.

The square root of 2122242143 is about 46067.7994156439. The cubic root of 2122242143 is about 1285.0843798901.

Adding to 2122242143 its reverse (3412422212), we get a palindrome (5534664355).

The spelling of 2122242143 in words is "two billion, one hundred twenty-two million, two hundred forty-two thousand, one hundred forty-three".