22215100245545 has 8 divisors (see below), whose sum is σ = 26658225156480. Its totient is φ = 17772010288560.

The previous prime is 22215100245539. The next prime is 22215100245571. The reversal of 22215100245545 is 54554200151222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-22215100245545 is a prime.

It is a super-3 number, since 3×22215100245545³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 22215100245499 and 22215100245508.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7319315 + ... + 9899624.

It is an arithmetic number, because the mean of its divisors is an integer number (3332278144560).

Almost surely, 2^{22215100245545} is an apocalyptic number.

It is an amenable number.

22215100245545 is a deficient number, since it is larger than the sum of its proper divisors (4443124910935).

22215100245545 is a wasteful number, since it uses less digits than its factorization.

22215100245545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17476975.

The product of its (nonzero) digits is 160000, while the sum is 38.

Adding to 22215100245545 its reverse (54554200151222), we get a palindrome (76769300396767).

The spelling of 22215100245545 in words is "twenty-two trillion, two hundred fifteen billion, one hundred million, two hundred forty-five thousand, five hundred forty-five".