347742222 has 16 divisors (see below), whose sum is σ = 708607440. Its totient is φ = 113726912.

The previous prime is 347742217. The next prime is 347742223. The reversal of 347742222 is 222247743.

It is a super-2 number, since 2×347742222² = 241849305922994568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347742223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546447 + ... + 547082.

It is an arithmetic number, because the mean of its divisors is an integer number (44287965).

Almost surely, 2^347742222 is an apocalyptic number.

347742222 is an abundant number, since it is smaller than the sum of its proper divisors (360865218).

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

347742222 is a wasteful number, since it uses less digits than its factorization.

347742222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093587.

The product of its digits is 37632, while the sum is 33.

The square root of 347742222 is about 18647.8476506003. The cubic root of 347742222 is about 703.2112472494.

Adding to 347742222 its reverse (222247743), we get a palindrome (569989965).

The spelling of 347742222 in words is "three hundred forty-seven million, seven hundred forty-two thousand, two hundred twenty-two".