2102322442 has 16 divisors (see below), whose sum is σ = 3642527232. Its totient is φ = 899389120.

The previous prime is 2102322407. The next prime is 2102322457. The reversal of 2102322442 is 2442232012.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2810218 + ... + 2810965.

It is an arithmetic number, because the mean of its divisors is an integer number (227657952).

Almost surely, 2^2102322442 is an apocalyptic number.

2102322442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2102322442 is a deficient number, since it is larger than the sum of its proper divisors (1540204790).

2102322442 is a wasteful number, since it uses less digits than its factorization.

2102322442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5621213.

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

The square root of 2102322442 is about 45851.0898670904. The cubic root of 2102322442 is about 1281.0510658040.

Adding to 2102322442 its reverse (2442232012), we get a palindrome (4544554454).

The spelling of 2102322442 in words is "two billion, one hundred two million, three hundred twenty-two thousand, four hundred forty-two".