215222402134230 has 192 divisors, whose sum is σ = 549067838908608. Its totient is φ = 53982679080960.

The previous prime is 215222402134217. The next prime is 215222402134273. The reversal of 215222402134230 is 32431204222512.

It is a junction number, because it is equal to n+sod(n) for n = 215222402134191 and 215222402134200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 842847054 + ... + 843102366.

It is an arithmetic number, because the mean of its divisors is an integer number (2859728327649).

Almost surely, 2^{215222402134230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215222402134230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274533919454304).

215222402134230 is an abundant number, since it is smaller than the sum of its proper divisors (333845436774378).

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

215222402134230 is a wasteful number, since it uses less digits than its factorization.

215222402134230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255919 (or 255900 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 215222402134230 its reverse (32431204222512), we get a palindrome (247653606356742).

The spelling of 215222402134230 in words is "two hundred fifteen trillion, two hundred twenty-two billion, four hundred two million, one hundred thirty-four thousand, two hundred thirty".