868228229 has 4 divisors (see below), whose sum is σ = 947158080. Its totient is φ = 789298380.

The previous prime is 868228211. The next prime is 868228373. The reversal of 868228229 is 922822868.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 868228229 - 2²⁰ = 867179653 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868228729) 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, 39464909 + ... + 39464930.

It is an arithmetic number, because the mean of its divisors is an integer number (236789520).

Almost surely, 2^868228229 is an apocalyptic number.

It is an amenable number.

868228229 is a deficient number, since it is larger than the sum of its proper divisors (78929851).

868228229 is a wasteful number, since it uses less digits than its factorization.

868228229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78929850.

The product of its digits is 442368, while the sum is 47.

The square root of 868228229 is about 29465.7127692510. The cubic root of 868228229 is about 953.9917830279.

The spelling of 868228229 in words is "eight hundred sixty-eight million, two hundred twenty-eight thousand, two hundred twenty-nine".