3647222 has 8 divisors (see below), whose sum is σ = 5508000. Its totient is φ = 1811224.

The previous prime is 3647207. The next prime is 3647233. The reversal of 3647222 is 2227463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3647191 and 3647200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5822 + ... + 6417.

It is an arithmetic number, because the mean of its divisors is an integer number (688500).

Almost surely, 2^3647222 is an apocalyptic number.

3647222 is a deficient number, since it is larger than the sum of its proper divisors (1860778).

3647222 is a wasteful number, since it uses less digits than its factorization.

3647222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12390.

The product of its digits is 4032, while the sum is 26.

The square root of 3647222 is about 1909.7701432371. The cubic root of 3647222 is about 153.9291010012.

The spelling of 3647222 in words is "three million, six hundred forty-seven thousand, two hundred twenty-two".