4020422331 has 16 divisors (see below), whose sum is σ = 5515072544. Its totient is φ = 2603280384.

The previous prime is 4020422317. The next prime is 4020422339. The reversal of 4020422331 is 1332240204.

It is not a de Polignac number, because 4020422331 - 2⁶ = 4020422267 is a prime.

It is a super-2 number, since 2×4020422331² = 32327591439206947122, 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 = 4020422298 and 4020422307.

It is not an unprimeable number, because it can be changed into a prime (4020422339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32661 + ... + 95433.

It is an arithmetic number, because the mean of its divisors is an integer number (344692034).

Almost surely, 2^4020422331 is an apocalyptic number.

4020422331 is a deficient number, since it is larger than the sum of its proper divisors (1494650213).

4020422331 is a wasteful number, since it uses less digits than its factorization.

4020422331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63390.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4020422331 is about 63406.8003529590. The cubic root of 4020422331 is about 1590.0980031361.

Adding to 4020422331 its reverse (1332240204), we get a palindrome (5352662535).

The spelling of 4020422331 in words is "four billion, twenty million, four hundred twenty-two thousand, three hundred thirty-one".