2182242638 has 16 divisors (see below), whose sum is σ = 3488876064. Its totient is φ = 1020134400.

The previous prime is 2182242619. The next prime is 2182242649. The reversal of 2182242638 is 8362422812.

It is a super-2 number, since 2×2182242638² = 9524365862210398088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207395 + ... + 217662.

It is an arithmetic number, because the mean of its divisors is an integer number (218054754).

Almost surely, 2^2182242638 is an apocalyptic number.

2182242638 is a deficient number, since it is larger than the sum of its proper divisors (1306633426).

2182242638 is a wasteful number, since it uses less digits than its factorization.

2182242638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425227.

The product of its digits is 73728, while the sum is 38.

The square root of 2182242638 is about 46714.4799607145. The cubic root of 2182242638 is about 1297.0827361254.

The spelling of 2182242638 in words is "two billion, one hundred eighty-two million, two hundred forty-two thousand, six hundred thirty-eight".