2278213082 has 4 divisors (see below), whose sum is σ = 3417319626. Its totient is φ = 1139106540.

The previous prime is 2278213081. The next prime is 2278213207. The reversal of 2278213082 is 2803128722.

It is a happy number.

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., 2034821881 + 243391201 = 45109^2 + 15601^2 .

It is not an unprimeable number, because it can be changed into a prime (2278213081) by changing a digit.

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 as a sum of consecutive naturals, namely, 569553269 + ... + 569553272.

Almost surely, 2^2278213082 is an apocalyptic number.

2278213082 is a deficient number, since it is larger than the sum of its proper divisors (1139106544).

2278213082 is a wasteful number, since it uses less digits than its factorization.

2278213082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139106543.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 2278213082 is about 47730.6304379064. The cubic root of 2278213082 is about 1315.8249402212.

The spelling of 2278213082 in words is "two billion, two hundred seventy-eight million, two hundred thirteen thousand, eighty-two".