22115750188502 has 4 divisors (see below), whose sum is σ = 33173625282756. Its totient is φ = 11057875094250.

The previous prime is 22115750188481. The next prime is 22115750188559. The reversal of 22115750188502 is 20588105751122.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5528937547124 + ... + 5528937547127.

It is an arithmetic number, because the mean of its divisors is an integer number (8293406320689).

Almost surely, 2^{22115750188502} is an apocalyptic number.

22115750188502 is a deficient number, since it is larger than the sum of its proper divisors (11057875094254).

22115750188502 is a wasteful number, since it uses less digits than its factorization.

22115750188502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11057875094253.

The product of its (nonzero) digits is 448000, while the sum is 47.

The spelling of 22115750188502 in words is "twenty-two trillion, one hundred fifteen billion, seven hundred fifty million, one hundred eighty-eight thousand, five hundred two".