346227220478 has 16 divisors (see below), whose sum is σ = 522410348880. Its totient is φ = 172091060736.

The previous prime is 346227220447. The next prime is 346227220481. The reversal of 346227220478 is 874022722643.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968900 + ... + 1277192.

It is an arithmetic number, because the mean of its divisors is an integer number (32650646805).

Almost surely, 2^346227220478 is an apocalyptic number.

346227220478 is a deficient number, since it is larger than the sum of its proper divisors (176183128402).

346227220478 is a wasteful number, since it uses less digits than its factorization.

346227220478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311611.

The product of its (nonzero) digits is 1806336, while the sum is 47.

The spelling of 346227220478 in words is "three hundred forty-six billion, two hundred twenty-seven million, two hundred twenty thousand, four hundred seventy-eight".