2102342422 has 4 divisors (see below), whose sum is σ = 3153513636. Its totient is φ = 1051171210.

The previous prime is 2102342399. The next prime is 2102342449. The reversal of 2102342422 is 2242432012.

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

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 a junction number, because it is equal to n+sod(n) for n = 2102342393 and 2102342402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525585604 + ... + 525585607.

It is an arithmetic number, because the mean of its divisors is an integer number (788378409).

Almost surely, 2^2102342422 is an apocalyptic number.

2102342422 is a deficient number, since it is larger than the sum of its proper divisors (1051171214).

2102342422 is a wasteful number, since it uses less digits than its factorization.

2102342422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051171213.

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

The square root of 2102342422 is about 45851.3077457994. The cubic root of 2102342422 is about 1281.0551240650.

Adding to 2102342422 its reverse (2242432012), we get a palindrome (4344774434).

The spelling of 2102342422 in words is "two billion, one hundred two million, three hundred forty-two thousand, four hundred twenty-two".