2043215226 has 64 divisors (see below), whose sum is σ = 4896662400. Its totient is φ = 627792768.

The previous prime is 2043215171. The next prime is 2043215231. The reversal of 2043215226 is 6225123402.

It is a happy number.

2043215226 is a `hidden beast` number, since 2 + 0 + 432 + 1 + 5 + 226 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2043215226.

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, 635110 + ... + 638318.

It is an arithmetic number, because the mean of its divisors is an integer number (76510350).

Almost surely, 2^2043215226 is an apocalyptic number.

2043215226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2043215226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2448331200).

2043215226 is an abundant number, since it is smaller than the sum of its proper divisors (2853447174).

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

2043215226 is a wasteful number, since it uses less digits than its factorization.

2043215226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140 (or 4134 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2043215226 is about 45201.9382991482. The cubic root of 2043215226 is about 1268.9310918325.

Adding to 2043215226 its reverse (6225123402), we get a palindrome (8268338628).

The spelling of 2043215226 in words is "two billion, forty-three million, two hundred fifteen thousand, two hundred twenty-six".