22515021005452 has 24 divisors (see below), whose sum is σ = 40998849990336. Its totient is φ = 10810102412928.

The previous prime is 22515021005437. The next prime is 22515021005471. The reversal of 22515021005452 is 25450012051522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129808433 + ... + 1129828360.

It is an arithmetic number, because the mean of its divisors is an integer number (1708285416264).

Almost surely, 2^{22515021005452} is an apocalyptic number.

It is an amenable number.

22515021005452 is a deficient number, since it is larger than the sum of its proper divisors (18483828984884).

22515021005452 is a wasteful number, since it uses less digits than its factorization.

22515021005452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259636897 (or 2259636895 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 22515021005452 its reverse (25450012051522), we get a palindrome (47965033056974).

The spelling of 22515021005452 in words is "twenty-two trillion, five hundred fifteen billion, twenty-one million, five thousand, four hundred fifty-two".