2221505334 has 24 divisors (see below), whose sum is σ = 4823811720. Its totient is φ = 738878688.

The previous prime is 2221505333. The next prime is 2221505371. The reversal of 2221505334 is 4335051222.

It is a happy number.

2221505334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2221505298 and 2221505307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221505333) 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, 126804 + ... + 143255.

It is an arithmetic number, because the mean of its divisors is an integer number (200992155).

Almost surely, 2^2221505334 is an apocalyptic number.

2221505334 is an abundant number, since it is smaller than the sum of its proper divisors (2602306386).

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

2221505334 is a wasteful number, since it uses less digits than its factorization.

2221505334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270524 (or 270521 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2221505334 is about 47132.8477179132. The cubic root of 2221505334 is about 1304.8155391720.

Adding to 2221505334 its reverse (4335051222), we get a palindrome (6556556556).

The spelling of 2221505334 in words is "two billion, two hundred twenty-one million, five hundred five thousand, three hundred thirty-four".