22025040405452 has 12 divisors (see below), whose sum is σ = 44050080810960. Its totient is φ = 9439303030896.

The previous prime is 22025040405451. The next prime is 22025040405457. The reversal of 22025040405452 is 25450404052022.

It is a happy number.

22025040405452 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22025040405451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393304292927 + ... + 393304292982.

It is an arithmetic number, because the mean of its divisors is an integer number (3670840067580).

Almost surely, 2^{22025040405452} is an apocalyptic number.

It is an amenable number.

22025040405452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22025040405452 is a wasteful number, since it uses less digits than its factorization.

22025040405452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786608585920 (or 786608585918 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 35.

Adding to 22025040405452 its reverse (25450404052022), we get a palindrome (47475444457474).

The spelling of 22025040405452 in words is "twenty-two trillion, twenty-five billion, forty million, four hundred five thousand, four hundred fifty-two".