1045404322 has 4 divisors (see below), whose sum is σ = 1568106486. Its totient is φ = 522702160.

The previous prime is 1045404319. The next prime is 1045404329. The reversal of 1045404322 is 2234045401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1000393641 + 45010681 = 31629^2 + 6709^2 .

It is not an unprimeable number, because it can be changed into a prime (1045404329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261351079 + ... + 261351082.

Almost surely, 2^1045404322 is an apocalyptic number.

1045404322 is a deficient number, since it is larger than the sum of its proper divisors (522702164).

1045404322 is an equidigital number, since it uses as much as digits as its factorization.

1045404322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522702163.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1045404322 is about 32332.7128772084. The cubic root of 1045404322 is about 1014.9113213311.

Adding to 1045404322 its reverse (2234045401), we get a palindrome (3279449723).

The spelling of 1045404322 in words is "one billion, forty-five million, four hundred four thousand, three hundred twenty-two".