2100322442 has 4 divisors (see below), whose sum is σ = 3150483666. Its totient is φ = 1050161220.

The previous prime is 2100322421. The next prime is 2100322459. The reversal of 2100322442 is 2442230012.

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., 1417597801 + 682724641 = 37651^2 + 26129^2 .

It is a super-2 number, since 2×2100322442² = 8822708720737686728, which contains 22 as substring.

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, 525080609 + ... + 525080612.

Almost surely, 2^2100322442 is an apocalyptic number.

2100322442 is a deficient number, since it is larger than the sum of its proper divisors (1050161224).

2100322442 is a wasteful number, since it uses less digits than its factorization.

2100322442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050161223.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2100322442 is about 45829.2749451701. The cubic root of 2100322442 is about 1280.6447033011.

Adding to 2100322442 its reverse (2442230012), we get a palindrome (4542552454).

The spelling of 2100322442 in words is "two billion, one hundred million, three hundred twenty-two thousand, four hundred forty-two".