346405422 has 16 divisors (see below), whose sum is σ = 755793792. Its totient is φ = 104971320.

The previous prime is 346405421. The next prime is 346405429. The reversal of 346405422 is 224504643.

346405422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 346405422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346405421) 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, 2624218 + ... + 2624349.

It is an arithmetic number, because the mean of its divisors is an integer number (47237112).

Almost surely, 2^346405422 is an apocalyptic number.

346405422 is an abundant number, since it is smaller than the sum of its proper divisors (409388370).

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

346405422 is a wasteful number, since it uses less digits than its factorization.

346405422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5248583.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 346405422 is about 18611.9698581316. The cubic root of 346405422 is about 702.3089889029.

The spelling of 346405422 in words is "three hundred forty-six million, four hundred five thousand, four hundred twenty-two".