2215230422220 has 36 divisors (see below), whose sum is σ = 6719532281280. Its totient is φ = 590728112544.

The previous prime is 2215230422219. The next prime is 2215230422221. The reversal of 2215230422220 is 222240325122.

It is a happy number.

2215230422220 is a `hidden beast` number, since 2 + 2 + 1 + 5 + 230 + 422 + 2 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2215230422219) and next prime (2215230422221).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2215230422221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6153417660 + ... + 6153418019.

It is an arithmetic number, because the mean of its divisors is an integer number (186653674480).

Almost surely, 2^{2215230422220} is an apocalyptic number.

2215230422220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215230422220 is an abundant number, since it is smaller than the sum of its proper divisors (4504301859060).

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

2215230422220 is a wasteful number, since it uses less digits than its factorization.

2215230422220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12306835694 (or 12306835689 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 2215230422220 its reverse (222240325122), we get a palindrome (2437470747342).

The spelling of 2215230422220 in words is "two trillion, two hundred fifteen billion, two hundred thirty million, four hundred twenty-two thousand, two hundred twenty".