1122442445 has 8 divisors (see below), whose sum is σ = 1379783160. Its totient is φ = 876052480.

The previous prime is 1122442429. The next prime is 1122442469. The reversal of 1122442445 is 5442442211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 144817156 + 977625289 = 12034^2 + 31267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1122442445 - 2⁴ = 1122442429 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2737460 + ... + 2737869.

It is an arithmetic number, because the mean of its divisors is an integer number (172472895).

Almost surely, 2^1122442445 is an apocalyptic number.

It is an amenable number.

1122442445 is a deficient number, since it is larger than the sum of its proper divisors (257340715).

1122442445 is an equidigital number, since it uses as much as digits as its factorization.

1122442445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475375.

The product of its digits is 10240, while the sum is 29.

The square root of 1122442445 is about 33502.8721903063. The cubic root of 1122442445 is about 1039.2531759271.

Adding to 1122442445 its reverse (5442442211), we get a palindrome (6564884656).

The spelling of 1122442445 in words is "one billion, one hundred twenty-two million, four hundred forty-two thousand, four hundred forty-five".