1022304445 has 4 divisors (see below), whose sum is σ = 1226765340. Its totient is φ = 817843552.

The previous prime is 1022304431. The next prime is 1022304449. The reversal of 1022304445 is 5444032201.

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 2 ways, for example, as 121044004 + 901260441 = 11002^2 + 30021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022304445 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022304449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102230440 + ... + 102230449.

It is an arithmetic number, because the mean of its divisors is an integer number (306691335).

Almost surely, 2^1022304445 is an apocalyptic number.

It is an amenable number.

1022304445 is a deficient number, since it is larger than the sum of its proper divisors (204460895).

1022304445 is an equidigital number, since it uses as much as digits as its factorization.

1022304445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204460894.

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

The square root of 1022304445 is about 31973.4959771371. The cubic root of 1022304445 is about 1007.3802134553.

Adding to 1022304445 its reverse (5444032201), we get a palindrome (6466336646).

The spelling of 1022304445 in words is "one billion, twenty-two million, three hundred four thousand, four hundred forty-five".