347478221004 has 48 divisors (see below), whose sum is σ = 811747200768. Its totient is φ = 115688357568.

The previous prime is 347478220987. The next prime is 347478221011. The reversal of 347478221004 is 400122874743.

It is a super-2 number, since 2×347478221004² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42048177 + ... + 42056439.

It is an arithmetic number, because the mean of its divisors is an integer number (16911400016).

Almost surely, 2^347478221004 is an apocalyptic number.

It is an amenable number.

347478221004 is an abundant number, since it is smaller than the sum of its proper divisors (464268979764).

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

347478221004 is a wasteful number, since it uses less digits than its factorization.

347478221004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12014 (or 12012 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 42.

The spelling of 347478221004 in words is "three hundred forty-seven billion, four hundred seventy-eight million, two hundred twenty-one thousand, four".