22225031450 has 12 divisors (see below), whose sum is σ = 41338558590. Its totient is φ = 8890012560.

The previous prime is 22225031441. The next prime is 22225031453. The reversal of 22225031450 is 5413052222.

It can be written as a sum of positive squares in 3 ways, for example, as 20398409329 + 1826622121 = 142823^2 + 42739^2 .

It is not an unprimeable number, because it can be changed into a prime (22225031453) 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, 222250265 + ... + 222250364.

Almost surely, 2^22225031450 is an apocalyptic number.

22225031450 is a deficient number, since it is larger than the sum of its proper divisors (19113527140).

22225031450 is a wasteful number, since it uses less digits than its factorization.

22225031450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444500641 (or 444500636 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 22225031450 its reverse (5413052222), we get a palindrome (27638083672).

The spelling of 22225031450 in words is "twenty-two billion, two hundred twenty-five million, thirty-one thousand, four hundred fifty".