2221034651 has 4 divisors (see below), whose sum is σ = 2422946904. Its totient is φ = 2019122400.

The previous prime is 2221034611. The next prime is 2221034663. The reversal of 2221034651 is 1564301222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2221034651 - 2¹⁸ = 2220772507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221034651.

It is not an unprimeable number, because it can be changed into a prime (2221034611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100956110 + ... + 100956131.

It is an arithmetic number, because the mean of its divisors is an integer number (605736726).

Almost surely, 2^2221034651 is an apocalyptic number.

2221034651 is a deficient number, since it is larger than the sum of its proper divisors (201912253).

2221034651 is a wasteful number, since it uses less digits than its factorization.

2221034651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201912252.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2221034651 is about 47127.8543008272. The cubic root of 2221034651 is about 1304.7233797606.

Adding to 2221034651 its reverse (1564301222), we get a palindrome (3785335873).

The spelling of 2221034651 in words is "two billion, two hundred twenty-one million, thirty-four thousand, six hundred fifty-one".