684236222 has 16 divisors (see below), whose sum is σ = 1040544960. Its totient is φ = 337398048.

The previous prime is 684236209. The next prime is 684236251. The reversal of 684236222 is 222632486.

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, 174548 + ... + 178424.

It is an arithmetic number, because the mean of its divisors is an integer number (65034060).

Almost surely, 2^684236222 is an apocalyptic number.

684236222 is a deficient number, since it is larger than the sum of its proper divisors (356308738).

684236222 is a wasteful number, since it uses less digits than its factorization.

684236222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075.

The product of its digits is 55296, while the sum is 35.

The square root of 684236222 is about 26157.9093583566. The cubic root of 684236222 is about 881.1882287102.

The spelling of 684236222 in words is "six hundred eighty-four million, two hundred thirty-six thousand, two hundred twenty-two".