1247222 has 8 divisors (see below), whose sum is σ = 1980936. Its totient is φ = 586912.

The previous prime is 1247209. The next prime is 1247231. The reversal of 1247222 is 2227421.

It is a happy number.

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 = 1247194 and 1247203.

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, 18308 + ... + 18375.

It is an arithmetic number, because the mean of its divisors is an integer number (247617).

2^1247222 is an apocalyptic number.

1247222 is a deficient number, since it is larger than the sum of its proper divisors (733714).

1247222 is a wasteful number, since it uses less digits than its factorization.

1247222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36702.

The product of its digits is 448, while the sum is 20.

The square root of 1247222 is about 1116.7909383587. The cubic root of 1247222 is about 107.6418750515.

The spelling of 1247222 in words is "one million, two hundred forty-seven thousand, two hundred twenty-two".