2182012774 has 4 divisors (see below), whose sum is σ = 3273019164. Its totient is φ = 1091006386.

The previous prime is 2182012771. The next prime is 2182012817. The reversal of 2182012774 is 4772102812.

It is a happy number.

2182012774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×2182012774² = 9522359491798350152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182012771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545503192 + ... + 545503195.

It is an arithmetic number, because the mean of its divisors is an integer number (818254791).

Almost surely, 2^2182012774 is an apocalyptic number.

2182012774 is a deficient number, since it is larger than the sum of its proper divisors (1091006390).

2182012774 is a wasteful number, since it uses less digits than its factorization.

2182012774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091006389.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 2182012774 is about 46712.0195881103. The cubic root of 2182012774 is about 1297.0371922905.

The spelling of 2182012774 in words is "two billion, one hundred eighty-two million, twelve thousand, seven hundred seventy-four".