22325040625 has 24 divisors (see below), whose sum is σ = 28025190648. Its totient is φ = 17782800000.

The previous prime is 22325040607. The next prime is 22325040659. The reversal of 22325040625 is 52604052322.

It can be written as a sum of positive squares in 12 ways, for example, as 21090010176 + 1235030449 = 145224^2 + 35143^2 .

It is not a de Polignac number, because 22325040625 - 2⁹ = 22325040113 is a prime.

It is a super-3 number, since 3×22325040625³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 712795 + ... + 743455.

It is an arithmetic number, because the mean of its divisors is an integer number (1167716277).

Almost surely, 2^22325040625 is an apocalyptic number.

22325040625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22325040625 is a deficient number, since it is larger than the sum of its proper divisors (5700150023).

22325040625 is an frugal number, since it uses more digits than its factorization.

22325040625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30919 (or 30899 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 22325040625 its reverse (52604052322), we get a palindrome (74929092947).

The spelling of 22325040625 in words is "twenty-two billion, three hundred twenty-five million, forty thousand, six hundred twenty-five".