340322213 has 16 divisors (see below), whose sum is σ = 428063616. Its totient is φ = 262832640.

The previous prime is 340322183. The next prime is 340322231. The reversal of 340322213 is 312223043.

It is not a de Polignac number, because 340322213 - 2²⁴ = 323544997 is a prime.

It is a super-2 number, since 2×340322213² = 231638417322434738, 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 (340322273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10856 + ... + 28257.

It is an arithmetic number, because the mean of its divisors is an integer number (26753976).

Almost surely, 2^340322213 is an apocalyptic number.

It is an amenable number.

340322213 is a deficient number, since it is larger than the sum of its proper divisors (87741403).

340322213 is a wasteful number, since it uses less digits than its factorization.

340322213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39244.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 340322213 is about 18447.8240722314. The cubic root of 340322213 is about 698.1736150750.

Adding to 340322213 its reverse (312223043), we get a palindrome (652545256).

The spelling of 340322213 in words is "three hundred forty million, three hundred twenty-two thousand, two hundred thirteen".