22215101040540 has 96 divisors (see below), whose sum is σ = 69890205672000. Its totient is φ = 5857464830976.

The previous prime is 22215101040521. The next prime is 22215101040553. The reversal of 22215101040540 is 4504010151222.

It is a happy number.

22215101040540 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 5 + 10 + 104 + 0 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 231070345 + ... + 231166464.

It is an arithmetic number, because the mean of its divisors is an integer number (728022975750).

Almost surely, 2^{22215101040540} is an apocalyptic number.

22215101040540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22215101040540 is an abundant number, since it is smaller than the sum of its proper divisors (47675104631460).

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

22215101040540 is a wasteful number, since it uses less digits than its factorization.

22215101040540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462236916 (or 462236908 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 22215101040540 its reverse (4504010151222), we get a palindrome (26719111191762).

The spelling of 22215101040540 in words is "twenty-two trillion, two hundred fifteen billion, one hundred one million, forty thousand, five hundred forty".