2221140462 has 16 divisors (see below), whose sum is σ = 4443225600. Its totient is φ = 740222712.

The previous prime is 2221140461. The next prime is 2221140469. The reversal of 2221140462 is 2640411222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221140461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6712 + ... + 66987.

It is an arithmetic number, because the mean of its divisors is an integer number (277701600).

Almost surely, 2^2221140462 is an apocalyptic number.

2221140462 is an abundant number, since it is smaller than the sum of its proper divisors (2222085138).

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

2221140462 is a wasteful number, since it uses less digits than its factorization.

2221140462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78727.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2221140462 is about 47128.9768825932. The cubic root of 2221140462 is about 1304.7440986169.

Adding to 2221140462 its reverse (2640411222), we get a palindrome (4861551684).

The spelling of 2221140462 in words is "two billion, two hundred twenty-one million, one hundred forty thousand, four hundred sixty-two".