4002220531 has 2 divisors, whose sum is σ = 4002220532. Its totient is φ = 4002220530.

The previous prime is 4002220493. The next prime is 4002220549. The reversal of 4002220531 is 1350222004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4002220531 - 2¹⁹ = 4001696243 is a prime.

It is a super-2 number, since 2×4002220531² = 32035538357515843922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4002220499 and 4002220508.

It is not a weakly prime, because it can be changed into another prime (4002220561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001110265 + 2001110266.

It is an arithmetic number, because the mean of its divisors is an integer number (2001110266).

Almost surely, 2^4002220531 is an apocalyptic number.

4002220531 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002220531 is an equidigital number, since it uses as much as digits as its factorization.

4002220531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4002220531 is about 63263.1056066646. The cubic root of 4002220531 is about 1587.6947370673.

Adding to 4002220531 its reverse (1350222004), we get a palindrome (5352442535).

The spelling of 4002220531 in words is "four billion, two million, two hundred twenty thousand, five hundred thirty-one".