2401062221 has 4 divisors (see below), whose sum is σ = 2483857500. Its totient is φ = 2318266944.

The previous prime is 2401062179. The next prime is 2401062227. The reversal of 2401062221 is 1222601042.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1713049321 + 688012900 = 41389^2 + 26230^2 .

It is a cyclic number.

It is not a de Polignac number, because 2401062221 - 2²⁶ = 2333953357 is a prime.

It is a super-2 number, since 2×2401062221² = 11530199578226905682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2401062193 and 2401062202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401062227) 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 3 ways as a sum of consecutive naturals, for example, 41397596 + ... + 41397653.

It is an arithmetic number, because the mean of its divisors is an integer number (620964375).

Almost surely, 2^2401062221 is an apocalyptic number.

It is an amenable number.

2401062221 is a deficient number, since it is larger than the sum of its proper divisors (82795279).

2401062221 is an equidigital number, since it uses as much as digits as its factorization.

2401062221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82795278.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2401062221 is about 49000.6349040500. The cubic root of 2401062221 is about 1339.0633948467.

Adding to 2401062221 its reverse (1222601042), we get a palindrome (3623663263).

The spelling of 2401062221 in words is "two billion, four hundred one million, sixty-two thousand, two hundred twenty-one".