1228622 has 8 divisors (see below), whose sum is σ = 1892856. Its totient is φ = 597672.

The previous prime is 1228613. The next prime is 1228631. The reversal of 1228622 is 2268221.

It is an interprime number because it is at equal distance from previous prime (1228613) and next prime (1228631).

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8228 + ... + 8375.

It is an arithmetic number, because the mean of its divisors is an integer number (236607).

2^1228622 is an apocalyptic number.

1228622 is a deficient number, since it is larger than the sum of its proper divisors (664234).

1228622 is a wasteful number, since it uses less digits than its factorization.

1228622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16642.

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

The square root of 1228622 is about 1108.4322261645. The cubic root of 1228622 is about 107.1040999290.

The spelling of 1228622 in words is "one million, two hundred twenty-eight thousand, six hundred twenty-two".