1322040025 has 12 divisors (see below), whose sum is σ = 1649391952. Its totient is φ = 1051140240.

The previous prime is 1322039993. The next prime is 1322040029. The reversal of 1322040025 is 5200402231.

It is not a de Polignac number, because 1322040025 - 2⁵ = 1322039993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322039984 and 1322040011.

It is not an unprimeable number, because it can be changed into a prime (1322040029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158139 + ... + 166288.

Almost surely, 2^1322040025 is an apocalyptic number.

It is an amenable number.

1322040025 is a deficient number, since it is larger than the sum of its proper divisors (327351927).

1322040025 is a wasteful number, since it uses less digits than its factorization.

1322040025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324600 (or 324595 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1322040025 is about 36359.8683303447. The cubic root of 1322040025 is about 1097.5261278227.

Adding to 1322040025 its reverse (5200402231), we get a palindrome (6522442256).

The spelling of 1322040025 in words is "one billion, three hundred twenty-two million, forty thousand, twenty-five".