213312022 has 64 divisors (see below), whose sum is σ = 429857280. Its totient is φ = 76838400.

The previous prime is 213312017. The next prime is 213312037. The reversal of 213312022 is 220213312.

213312022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213311987 and 213312005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153772 + ... + 155152.

It is an arithmetic number, because the mean of its divisors is an integer number (6716520).

Almost surely, 2^213312022 is an apocalyptic number.

213312022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213312022 is an abundant number, since it is smaller than the sum of its proper divisors (216545258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213312022 is a wasteful number, since it uses less digits than its factorization.

213312022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 213312022 is about 14605.2053049589. The cubic root of 213312022 is about 597.5007353971.

Adding to 213312022 its reverse (220213312), we get a palindrome (433525334).

The spelling of 213312022 in words is "two hundred thirteen million, three hundred twelve thousand, twenty-two".