76225231 has 2 divisors, whose sum is σ = 76225232. Its totient is φ = 76225230.

The previous prime is 76225199. The next prime is 76225267. The reversal of 76225231 is 13252267.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76225231 - 2⁵ = 76225199 is a prime.

It is a super-2 number, since 2×76225231² = 11620571682006722, 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 76225231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76225031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38112615 + 38112616.

It is an arithmetic number, because the mean of its divisors is an integer number (38112616).

Almost surely, 2^76225231 is an apocalyptic number.

76225231 is a deficient number, since it is larger than the sum of its proper divisors (1).

76225231 is an equidigital number, since it uses as much as digits as its factorization.

76225231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 76225231 is about 8730.7062142761. The cubic root of 76225231 is about 424.0003838106. Note that the first 3 decimals are identical.

Adding to 76225231 its reverse (13252267), we get a palindrome (89477498).

The spelling of 76225231 in words is "seventy-six million, two hundred twenty-five thousand, two hundred thirty-one".