215025034340226 has 192 divisors, whose sum is σ = 502713252163584. Its totient is φ = 61055988026880.

The previous prime is 215025034340219. The next prime is 215025034340267. The reversal of 215025034340226 is 622043430520512.

It is a super-2 number, since 2×215025034340226² (a number of 29 digits) contains 22 as substring.

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, 5592745735 + ... + 5592784181.

It is an arithmetic number, because the mean of its divisors is an integer number (2618298188352).

Almost surely, 2^{215025034340226} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215025034340226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251356626081792).

215025034340226 is an abundant number, since it is smaller than the sum of its proper divisors (287688217823358).

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

215025034340226 is a wasteful number, since it uses less digits than its factorization.

215025034340226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40477 (or 40466 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 215025034340226 its reverse (622043430520512), we get a palindrome (837068464860738).

The spelling of 215025034340226 in words is "two hundred fifteen trillion, twenty-five billion, thirty-four million, three hundred forty thousand, two hundred twenty-six".