1122201044 has 18 divisors (see below), whose sum is σ = 1974144270. Its totient is φ = 558175072.

The previous prime is 1122201013. The next prime is 1122201049. The reversal of 1122201044 is 4401022211.

It can be written as a sum of positive squares in 3 ways, for example, as 1091509444 + 30691600 = 33038^2 + 5540^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122201049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151622 + ... + 158850.

Almost surely, 2^1122201044 is an apocalyptic number.

It is an amenable number.

1122201044 is a deficient number, since it is larger than the sum of its proper divisors (851943226).

1122201044 is an equidigital number, since it uses as much as digits as its factorization.

1122201044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7627 (or 7428 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1122201044 is about 33499.2693054640. The cubic root of 1122201044 is about 1039.1786673575.

Adding to 1122201044 its reverse (4401022211), we get a palindrome (5523223255).

The spelling of 1122201044 in words is "one billion, one hundred twenty-two million, two hundred one thousand, forty-four".