22215054413545 has 32 divisors (see below), whose sum is σ = 30495544197120. Its totient is φ = 15218592491520.

The previous prime is 22215054413471. The next prime is 22215054413561. The reversal of 22215054413545 is 54531445051222.

It is not a de Polignac number, because 22215054413545 - 2¹³ = 22215054405353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 273607855 + ... + 273689035.

It is an arithmetic number, because the mean of its divisors is an integer number (952985756160).

Almost surely, 2^{22215054413545} is an apocalyptic number.

It is an amenable number.

22215054413545 is a deficient number, since it is larger than the sum of its proper divisors (8280489783575).

22215054413545 is a wasteful number, since it uses less digits than its factorization.

22215054413545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88585.

The product of its (nonzero) digits is 960000, while the sum is 43.

Adding to 22215054413545 its reverse (54531445051222), we get a palindrome (76746499464767).

The spelling of 22215054413545 in words is "twenty-two trillion, two hundred fifteen billion, fifty-four million, four hundred thirteen thousand, five hundred forty-five".