22125081607502 has 24 divisors (see below), whose sum is σ = 33842361566520. Its totient is φ = 10845400059600.

The previous prime is 22125081607483. The next prime is 22125081607537. The reversal of 22125081607502 is 20570618052122.

It is a super-2 number, since 2×22125081607502² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22125081607502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15197252 + ... + 16589352.

It is an arithmetic number, because the mean of its divisors is an integer number (1410098398605).

Almost surely, 2^{22125081607502} is an apocalyptic number.

22125081607502 is a deficient number, since it is larger than the sum of its proper divisors (11717279959018).

22125081607502 is an equidigital number, since it uses as much as digits as its factorization.

22125081607502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392896 (or 1392529 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

Adding to 22125081607502 its reverse (20570618052122), we get a palindrome (42695699659624).

The spelling of 22125081607502 in words is "twenty-two trillion, one hundred twenty-five billion, eighty-one million, six hundred seven thousand, five hundred two".