1222862 has 8 divisors (see below), whose sum is σ = 1848096. Its totient is φ = 606832.

The previous prime is 1222853. The next prime is 1222889. The reversal of 1222862 is 2682221.

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

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, 1958 + ... + 2505.

It is an arithmetic number, because the mean of its divisors is an integer number (231012).

2^1222862 is an apocalyptic number.

1222862 is a deficient number, since it is larger than the sum of its proper divisors (625234).

1222862 is a wasteful number, since it uses less digits than its factorization.

1222862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4602.

The product of its digits is 768, while the sum is 23.

The square root of 1222862 is about 1105.8309093166. The cubic root of 1222862 is about 106.9364632838.

The spelling of 1222862 in words is "one million, two hundred twenty-two thousand, eight hundred sixty-two".