76224331 has 2 divisors, whose sum is σ = 76224332. Its totient is φ = 76224330.

The previous prime is 76224307. The next prime is 76224353. The reversal of 76224331 is 13342267.

It is a strong prime.

It is an emirp because it is prime and its reverse (13342267) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76224331 is a prime.

It is a super-2 number, since 2×76224331² = 11620297272795122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76224331.

It is not a weakly prime, because it can be changed into another prime (76224301) by changing a digit.

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, 38112165 + 38112166.

It is an arithmetic number, because the mean of its divisors is an integer number (38112166).

Almost surely, 2^76224331 is an apocalyptic number.

76224331 is a deficient number, since it is larger than the sum of its proper divisors (1).

76224331 is an equidigital number, since it uses as much as digits as its factorization.

76224331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 28.

The square root of 76224331 is about 8730.6546719018. The cubic root of 76224331 is about 423.9987150637.

Adding to 76224331 its reverse (13342267), we get a palindrome (89566598).

The spelling of 76224331 in words is "seventy-six million, two hundred twenty-four thousand, three hundred thirty-one".