213122333 has 8 divisors (see below), whose sum is σ = 217385856. Its totient is φ = 208894000.

The previous prime is 213122321. The next prime is 213122339. The reversal of 213122333 is 333221312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213122333 - 2⁴ = 213122317 is a prime.

It is a super-2 number, since 2×213122333² = 90842257646725778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213122339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3608 + ... + 20958.

It is an arithmetic number, because the mean of its divisors is an integer number (27173232).

Almost surely, 2^213122333 is an apocalyptic number.

It is an amenable number.

213122333 is a deficient number, since it is larger than the sum of its proper divisors (4263523).

213122333 is a wasteful number, since it uses less digits than its factorization.

213122333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17595.

The product of its digits is 648, while the sum is 20.

The square root of 213122333 is about 14598.7099772548. The cubic root of 213122333 is about 597.3235724967.

Adding to 213122333 its reverse (333221312), we get a palindrome (546343645).

The spelling of 213122333 in words is "two hundred thirteen million, one hundred twenty-two thousand, three hundred thirty-three".