1223888 has 10 divisors (see below), whose sum is σ = 2371314. Its totient is φ = 611936.

The previous prime is 1223879. The next prime is 1223897. The reversal of 1223888 is 8883221.

It is an interprime number because it is at equal distance from previous prime (1223879) and next prime (1223897).

It can be written as a sum of positive squares in only one way, i.e., 824464 + 399424 = 908^2 + 632^2 .

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38231 + ... + 38262.

2^1223888 is an apocalyptic number.

It is an amenable number.

1223888 is a deficient number, since it is larger than the sum of its proper divisors (1147426).

1223888 is an equidigital number, since it uses as much as digits as its factorization.

1223888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76501 (or 76495 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 1223888 is about 1106.2947166104. The cubic root of 1223888 is about 106.9663620352.

The spelling of 1223888 in words is "one million, two hundred twenty-three thousand, eight hundred eighty-eight".