213233332 has 12 divisors (see below), whose sum is σ = 401862916. Its totient is φ = 98415360.

The previous prime is 213233327. The next prime is 213233353. The reversal of 213233332 is 233332312.

It can be written as a sum of positive squares in 2 ways, for example, as 147233956 + 65999376 = 12134^2 + 8124^2 .

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2050269 + ... + 2050372.

Almost surely, 2^213233332 is an apocalyptic number.

It is an amenable number.

213233332 is a deficient number, since it is larger than the sum of its proper divisors (188629584).

213233332 is a wasteful number, since it uses less digits than its factorization.

213233332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100658 (or 4100656 counting only the distinct ones).

The product of its digits is 1944, while the sum is 22.

The square root of 213233332 is about 14602.5111539077. The cubic root of 213233332 is about 597.4272544385.

Adding to 213233332 its reverse (233332312), we get a palindrome (446565644).

The spelling of 213233332 in words is "two hundred thirteen million, two hundred thirty-three thousand, three hundred thirty-two".