213222033340 has 12 divisors (see below), whose sum is σ = 447766270056. Its totient is φ = 85288813328.

The previous prime is 213222033313. The next prime is 213222033397. The reversal of 213222033340 is 43330222312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5330550814 + ... + 5330550853.

It is an arithmetic number, because the mean of its divisors is an integer number (37313855838).

Almost surely, 2^213222033340 is an apocalyptic number.

213222033340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213222033340 is an abundant number, since it is smaller than the sum of its proper divisors (234544236716).

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

213222033340 is a wasteful number, since it uses less digits than its factorization.

213222033340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10661101676 (or 10661101674 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 213222033340 its reverse (43330222312), we get a palindrome (256552255652).

The spelling of 213222033340 in words is "two hundred thirteen billion, two hundred twenty-two million, thirty-three thousand, three hundred forty".