4020231422 has 16 divisors (see below), whose sum is σ = 6175094640. Its totient is φ = 1961934912.

The previous prime is 4020231407. The next prime is 4020231427. The reversal of 4020231422 is 2241320204.

It is a super-2 number, since 2×4020231422² = 32324521372872284168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4020231394 and 4020231403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020231427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106538 + ... + 139250.

It is an arithmetic number, because the mean of its divisors is an integer number (385943415).

Almost surely, 2^4020231422 is an apocalyptic number.

4020231422 is a deficient number, since it is larger than the sum of its proper divisors (2154863218).

4020231422 is a wasteful number, since it uses less digits than its factorization.

4020231422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34187.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4020231422 is about 63405.2949050787. The cubic root of 4020231422 is about 1590.0728342359.

Adding to 4020231422 its reverse (2241320204), we get a palindrome (6261551626).

The spelling of 4020231422 in words is "four billion, twenty million, two hundred thirty-one thousand, four hundred twenty-two".