2221063542 has 24 divisors (see below), whose sum is σ = 4978247040. Its totient is φ = 714824880.

The previous prime is 2221063531. The next prime is 2221063543. The reversal of 2221063542 is 2453601222.

It is a happy number.

2221063542 is a `hidden beast` number, since 2 + 2 + 21 + 0 + 635 + 4 + 2 = 666.

2221063542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221063543) 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, 2126934 + ... + 2127977.

It is an arithmetic number, because the mean of its divisors is an integer number (207426960).

Almost surely, 2^2221063542 is an apocalyptic number.

2221063542 is an abundant number, since it is smaller than the sum of its proper divisors (2757183498).

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

2221063542 is a wasteful number, since it uses less digits than its factorization.

2221063542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4254948 (or 4254945 counting only the distinct ones).

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

The square root of 2221063542 is about 47128.1608170741. The cubic root of 2221063542 is about 1304.7290369738.

Adding to 2221063542 its reverse (2453601222), we get a palindrome (4674664764).

The spelling of 2221063542 in words is "two billion, two hundred twenty-one million, sixty-three thousand, five hundred forty-two".