4221221301 has 48 divisors (see below), whose sum is σ = 6805413888. Its totient is φ = 2499789600.

The previous prime is 4221221287. The next prime is 4221221321. The reversal of 4221221301 is 1031221224.

It is a happy number.

It is not a de Polignac number, because 4221221301 - 2⁹ = 4221220789 is a prime.

It is a super-2 number, since 2×4221221301² = 35637418544032265202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221221321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 839886 + ... + 844896.

It is an arithmetic number, because the mean of its divisors is an integer number (141779456).

Almost surely, 2^4221221301 is an apocalyptic number.

It is an amenable number.

4221221301 is a deficient number, since it is larger than the sum of its proper divisors (2584192587).

4221221301 is a wasteful number, since it uses less digits than its factorization.

4221221301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222 (or 5219 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4221221301 is about 64970.9265825877. The cubic root of 4221221301 is about 1616.1414674386.

Adding to 4221221301 its reverse (1031221224), we get a palindrome (5252442525).

It can be divided in two parts, 4221 and 221301, that added together give a palindrome (225522).

The spelling of 4221221301 in words is "four billion, two hundred twenty-one million, two hundred twenty-one thousand, three hundred one".