1122403442 has 4 divisors (see below), whose sum is σ = 1683605166. Its totient is φ = 561201720.

The previous prime is 1122403423. The next prime is 1122403483. The reversal of 1122403442 is 2443042211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2443042211 = 19 ⋅128581169.

It can be written as a sum of positive squares in only one way, i.e., 1120843441 + 1560001 = 33479^2 + 1249^2 .

It is a super-2 number, since 2×1122403442² = 2519578973226894728, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 280600859 + ... + 280600862.

Almost surely, 2^1122403442 is an apocalyptic number.

1122403442 is a deficient number, since it is larger than the sum of its proper divisors (561201724).

1122403442 is an equidigital number, since it uses as much as digits as its factorization.

1122403442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561201723.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1122403442 is about 33502.2901008274. The cubic root of 1122403442 is about 1039.2411383504.

Adding to 1122403442 its reverse (2443042211), we get a palindrome (3565445653).

The spelling of 1122403442 in words is "one billion, one hundred twenty-two million, four hundred three thousand, four hundred forty-two".