2190937382 has 4 divisors (see below), whose sum is σ = 3286406076. Its totient is φ = 1095468690.

The previous prime is 2190937361. The next prime is 2190937421. The reversal of 2190937382 is 2837390912.

It is a happy number.

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

It is a super-2 number, since 2×2190937382² = 9600413223690027848, 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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547734344 + ... + 547734347.

It is an arithmetic number, because the mean of its divisors is an integer number (821601519).

Almost surely, 2^2190937382 is an apocalyptic number.

2190937382 is a deficient number, since it is larger than the sum of its proper divisors (1095468694).

2190937382 is a wasteful number, since it uses less digits than its factorization.

2190937382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095468693.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 2190937382 is about 46807.4500694067. The cubic root of 2190937382 is about 1298.8031157476.

The spelling of 2190937382 in words is "two billion, one hundred ninety million, nine hundred thirty-seven thousand, three hundred eighty-two".