347222844 has 18 divisors (see below), whose sum is σ = 877702280. Its totient is φ = 115740936.

The previous prime is 347222831. The next prime is 347222851. The reversal of 347222844 is 448222743.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 9645079 = 347222844 / (3 + 4 + 7 + 2 + 2 + 2 + 8 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 347222799 and 347222808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4822504 + ... + 4822575.

Almost surely, 2^347222844 is an apocalyptic number.

It is an amenable number.

347222844 is an abundant number, since it is smaller than the sum of its proper divisors (530479436).

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

347222844 is a wasteful number, since it uses less digits than its factorization.

347222844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9645089 (or 9645084 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 347222844 is about 18633.9164965393. The cubic root of 347222844 is about 702.8609739600.

The spelling of 347222844 in words is "three hundred forty-seven million, two hundred twenty-two thousand, eight hundred forty-four".