340245222 has 16 divisors (see below), whose sum is σ = 684667200. Its totient is φ = 112718952.

The previous prime is 340245221. The next prime is 340245239. The reversal of 340245222 is 222542043.

It is a happy number.

It is a super-2 number, since 2×340245222² = 231533622187658568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340245192 and 340245201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340245221) 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, 172972 + ... + 174927.

It is an arithmetic number, because the mean of its divisors is an integer number (42791700).

Almost surely, 2^340245222 is an apocalyptic number.

340245222 is an abundant number, since it is smaller than the sum of its proper divisors (344421978).

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

340245222 is a wasteful number, since it uses less digits than its factorization.

340245222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348067.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 340245222 is about 18445.7372311328. The cubic root of 340245222 is about 698.1209618964.

Adding to 340245222 its reverse (222542043), we get a palindrome (562787265).

The spelling of 340245222 in words is "three hundred forty million, two hundred forty-five thousand, two hundred twenty-two".