213342122 has 8 divisors (see below), whose sum is σ = 365729376. Its totient is φ = 91432332.

The previous prime is 213342113. The next prime is 213342133. The reversal of 213342122 is 221243312.

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

It is a super-2 number, since 2×213342122² = 91029722038925768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213342094 and 213342103.

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, 7619348 + ... + 7619375.

It is an arithmetic number, because the mean of its divisors is an integer number (45716172).

Almost surely, 2^213342122 is an apocalyptic number.

213342122 is a deficient number, since it is larger than the sum of its proper divisors (152387254).

213342122 is a wasteful number, since it uses less digits than its factorization.

213342122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15238732.

The product of its digits is 576, while the sum is 20.

The square root of 213342122 is about 14606.2357231424. The cubic root of 213342122 is about 597.5288380892.

Adding to 213342122 its reverse (221243312), we get a palindrome (434585434).

The spelling of 213342122 in words is "two hundred thirteen million, three hundred forty-two thousand, one hundred twenty-two".