4018024221 has 24 divisors (see below), whose sum is σ = 5667451200. Its totient is φ = 2531741184.

The previous prime is 4018024201. The next prime is 4018024243. The reversal of 4018024221 is 1224208104.

It is not a de Polignac number, because 4018024221 - 2⁷ = 4018024093 is a prime.

It is a super-2 number, since 2×4018024221² = 32289037281085313682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4018024191 and 4018024200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4018024201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 482136 + ... + 490398.

It is an arithmetic number, because the mean of its divisors is an integer number (236143800).

Almost surely, 2^4018024221 is an apocalyptic number.

It is an amenable number.

4018024221 is a deficient number, since it is larger than the sum of its proper divisors (1649426979).

4018024221 is a wasteful number, since it uses less digits than its factorization.

4018024221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8753 (or 8734 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 4018024221 is about 63387.8870211021. The cubic root of 4018024221 is about 1589.7817852503.

The spelling of 4018024221 in words is "four billion, eighteen million, twenty-four thousand, two hundred twenty-one".