868242219 has 16 divisors (see below), whose sum is σ = 1267148064. Its totient is φ = 525542400.

The previous prime is 868242211. The next prime is 868242293. The reversal of 868242219 is 912242868.

It is not a de Polignac number, because 868242219 - 2³ = 868242211 is a prime.

It is a super-2 number, since 2×868242219² = 1507689101708087922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (868242211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180102 + ... + 184859.

It is an arithmetic number, because the mean of its divisors is an integer number (79196754).

Almost surely, 2^868242219 is an apocalyptic number.

868242219 is a deficient number, since it is larger than the sum of its proper divisors (398905845).

868242219 is a wasteful number, since it uses less digits than its factorization.

868242219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365038.

The product of its digits is 110592, while the sum is 42.

The square root of 868242219 is about 29465.9501628575. The cubic root of 868242219 is about 953.9969069777.

The spelling of 868242219 in words is "eight hundred sixty-eight million, two hundred forty-two thousand, two hundred nineteen".