76427222 has 4 divisors (see below), whose sum is σ = 114640836. Its totient is φ = 38213610.

The previous prime is 76427213. The next prime is 76427233. The reversal of 76427222 is 22272467.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22272467 = 7 ⋅3181781.

It is a super-2 number, since 2×76427222² = 11682240525274568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19106804 + ... + 19106807.

It is an arithmetic number, because the mean of its divisors is an integer number (28660209).

Almost surely, 2^76427222 is an apocalyptic number.

76427222 is a deficient number, since it is larger than the sum of its proper divisors (38213614).

76427222 is a wasteful number, since it uses less digits than its factorization.

76427222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38213613.

The product of its digits is 18816, while the sum is 32.

The square root of 76427222 is about 8742.2664109486. The cubic root of 76427222 is about 424.3745762809.

Adding to 76427222 its reverse (22272467), we get a palindrome (98699689).

The spelling of 76427222 in words is "seventy-six million, four hundred twenty-seven thousand, two hundred twenty-two".