22215501115140 has 48 divisors (see below), whose sum is σ = 62205361545600. Its totient is φ = 5923947114240.

The previous prime is 22215501115127. The next prime is 22215501115187. The reversal of 22215501115140 is 4151110551222.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22215501115098 and 22215501115107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3901776 + ... + 7723655.

It is an arithmetic number, because the mean of its divisors is an integer number (1295945032200).

Almost surely, 2^{22215501115140} is an apocalyptic number.

22215501115140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22215501115140 is an abundant number, since it is smaller than the sum of its proper divisors (39989860430460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22215501115140 is a wasteful number, since it uses less digits than its factorization.

22215501115140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11657292 (or 11657290 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 30.

Adding to 22215501115140 its reverse (4151110551222), we get a palindrome (26366611666362).

The spelling of 22215501115140 in words is "twenty-two trillion, two hundred fifteen billion, five hundred one million, one hundred fifteen thousand, one hundred forty".