76223131 has 4 divisors (see below), whose sum is σ = 76397200. Its totient is φ = 76049064.

The previous prime is 76223129. The next prime is 76223167. The reversal of 76223131 is 13132267.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76223131 - 2¹ = 76223129 is a prime.

It is a super-2 number, since 2×76223131² = 11619931398886322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76223096 and 76223105.

It is not an unprimeable number, because it can be changed into a prime (76223531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86376 + ... + 87253.

It is an arithmetic number, because the mean of its divisors is an integer number (19099300).

Almost surely, 2^76223131 is an apocalyptic number.

76223131 is a deficient number, since it is larger than the sum of its proper divisors (174069).

76223131 is a wasteful number, since it uses less digits than its factorization.

76223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174068.

The product of its digits is 1512, while the sum is 25.

The square root of 76223131 is about 8730.5859482626. The cubic root of 76223131 is about 423.9964900475.

Adding to 76223131 its reverse (13132267), we get a palindrome (89355398).

The spelling of 76223131 in words is "seventy-six million, two hundred twenty-three thousand, one hundred thirty-one".