76681222 has 4 divisors (see below), whose sum is σ = 115021836. Its totient is φ = 38340610.

The previous prime is 76681217. The next prime is 76681261. The reversal of 76681222 is 22218667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22218667 = 23 ⋅966029.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19170304 + ... + 19170307.

It is an arithmetic number, because the mean of its divisors is an integer number (28755459).

Almost surely, 2^76681222 is an apocalyptic number.

76681222 is a deficient number, since it is larger than the sum of its proper divisors (38340614).

76681222 is a wasteful number, since it uses less digits than its factorization.

76681222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38340613.

The product of its digits is 16128, while the sum is 34.

The square root of 76681222 is about 8756.7814863682. The cubic root of 76681222 is about 424.8441818642.

Adding to 76681222 its reverse (22218667), we get a palindrome (98899889).

The spelling of 76681222 in words is "seventy-six million, six hundred eighty-one thousand, two hundred twenty-two".