768228229 has 4 divisors (see below), whose sum is σ = 771416140. Its totient is φ = 765040320.

The previous prime is 768228211. The next prime is 768228247. The reversal of 768228229 is 922822867.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (768228211) and next prime (768228247).

It can be written as a sum of positive squares in 2 ways, for example, as 708784129 + 59444100 = 26623^2 + 7710^2 .

It is a cyclic number.

It is not a de Polignac number, because 768228229 - 2¹⁹ = 767703941 is a prime.

It is a super-2 number, since 2×768228229² = 1180349223664952882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768228259) 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, 1593594 + ... + 1594075.

It is an arithmetic number, because the mean of its divisors is an integer number (192854035).

Almost surely, 2^768228229 is an apocalyptic number.

It is an amenable number.

768228229 is a deficient number, since it is larger than the sum of its proper divisors (3187911).

768228229 is a wasteful number, since it uses less digits than its factorization.

768228229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187910.

The product of its digits is 387072, while the sum is 46.

The square root of 768228229 is about 27716.9303675569. The cubic root of 768228229 is about 915.8620992898.

The spelling of 768228229 in words is "seven hundred sixty-eight million, two hundred twenty-eight thousand, two hundred twenty-nine".