4016221243 has 4 divisors (see below), whose sum is σ = 4040270640. Its totient is φ = 3992171848.

The previous prime is 4016221211. The next prime is 4016221249. The reversal of 4016221243 is 3421226104.

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 4016221243 - 2⁵ = 4016221211 is a prime.

It is a super-2 number, since 2×4016221243² = 32260066145448930098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4016221249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12024448 + ... + 12024781.

It is an arithmetic number, because the mean of its divisors is an integer number (1010067660).

Almost surely, 2^4016221243 is an apocalyptic number.

4016221243 is a deficient number, since it is larger than the sum of its proper divisors (24049397).

4016221243 is a wasteful number, since it uses less digits than its factorization.

4016221243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24049396.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4016221243 is about 63373.6636387703. The cubic root of 4016221243 is about 1589.5439593718.

Adding to 4016221243 its reverse (3421226104), we get a palindrome (7437447347).

The spelling of 4016221243 in words is "four billion, sixteen million, two hundred twenty-one thousand, two hundred forty-three".