1222888 has 16 divisors (see below), whose sum is σ = 2367360. Its totient is φ = 591600.

The previous prime is 1222853. The next prime is 1222889. The reversal of 1222888 is 8882221.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1222889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2218 + ... + 2713.

It is an arithmetic number, because the mean of its divisors is an integer number (147960).

2^1222888 is an apocalyptic number.

It is an amenable number.

1222888 is a deficient number, since it is larger than the sum of its proper divisors (1144472).

1222888 is a wasteful number, since it uses less digits than its factorization.

1222888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4968 (or 4964 counting only the distinct ones).

The product of its digits is 4096, while the sum is 31.

The square root of 1222888 is about 1105.8426651201. The cubic root of 1222888 is about 106.9372211584.

The spelling of 1222888 in words is "one million, two hundred twenty-two thousand, eight hundred eighty-eight".