216410822 has 4 divisors (see below), whose sum is σ = 324616236. Its totient is φ = 108205410.

The previous prime is 216410813. The next prime is 216410827. The reversal of 216410822 is 228014612.

It is a happy number.

216410822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 216410791 and 216410800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216410827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54102704 + ... + 54102707.

It is an arithmetic number, because the mean of its divisors is an integer number (81154059).

Almost surely, 2^216410822 is an apocalyptic number.

216410822 is a deficient number, since it is larger than the sum of its proper divisors (108205414).

216410822 is a wasteful number, since it uses less digits than its factorization.

216410822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108205413.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 216410822 is about 14710.9082656374. The cubic root of 216410822 is about 600.3801498334.

The spelling of 216410822 in words is "two hundred sixteen million, four hundred ten thousand, eight hundred twenty-two".