1122388 has 6 divisors (see below), whose sum is σ = 1964186. Its totient is φ = 561192.

The previous prime is 1122371. The next prime is 1122389. The reversal of 1122388 is 8832211.

It can be written as a sum of positive squares in only one way, i.e., 1077444 + 44944 = 1038^2 + 212^2 .

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140295 + ... + 140302.

2^1122388 is an apocalyptic number.

It is an amenable number.

1122388 is a deficient number, since it is larger than the sum of its proper divisors (841798).

1122388 is a wasteful number, since it uses less digits than its factorization.

1122388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280601 (or 280599 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 1122388 is about 1059.4281476344. The cubic root of 1122388 is about 103.9236372377.

Adding to 1122388 its reverse (8832211), we get a palindrome (9954599).

It can be divided in two parts, 11223 and 88, that added together give a palindrome (11311).

The spelling of 1122388 in words is "one million, one hundred twenty-two thousand, three hundred eighty-eight".