213320822 has 24 divisors (see below), whose sum is σ = 378775488. Its totient is φ = 89503920.

The previous prime is 213320801. The next prime is 213320857. The reversal of 213320822 is 228023312.

213320822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30758 + ... + 37049.

It is an arithmetic number, because the mean of its divisors is an integer number (15782312).

Almost surely, 2^213320822 is an apocalyptic number.

213320822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213320822 is a deficient number, since it is larger than the sum of its proper divisors (165454666).

213320822 is a wasteful number, since it uses less digits than its factorization.

213320822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67844 (or 67833 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 213320822 is about 14605.5065643065. The cubic root of 213320822 is about 597.5089517400.

The spelling of 213320822 in words is "two hundred thirteen million, three hundred twenty thousand, eight hundred twenty-two".