346400022 has 16 divisors (see below), whose sum is σ = 693483120. Its totient is φ = 115352832.

The previous prime is 346399967. The next prime is 346400027. The reversal of 346400022 is 220004643.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346400027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21747 + ... + 34142.

It is an arithmetic number, because the mean of its divisors is an integer number (43342695).

Almost surely, 2^346400022 is an apocalyptic number.

346400022 is an abundant number, since it is smaller than the sum of its proper divisors (347083098).

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

346400022 is a wasteful number, since it uses less digits than its factorization.

346400022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56927.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 346400022 is about 18611.8247896331. The cubic root of 346400022 is about 702.3053395295.

Adding to 346400022 its reverse (220004643), we get a palindrome (566404665).

The spelling of 346400022 in words is "three hundred forty-six million, four hundred thousand, twenty-two".