4022420445 has 32 divisors (see below), whose sum is σ = 7221795840. Its totient is φ = 2124043200.

The previous prime is 4022420443. The next prime is 4022420447. The reversal of 4022420445 is 5440242204.

It is an interprime number because it is at equal distance from previous prime (4022420443) and next prime (4022420447).

It is not a de Polignac number, because 4022420445 - 2¹ = 4022420443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022420443) 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 31 ways as a sum of consecutive naturals, for example, 133869 + ... + 161138.

It is an arithmetic number, because the mean of its divisors is an integer number (225681120).

Almost surely, 2^4022420445 is an apocalyptic number.

4022420445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4022420445 is a deficient number, since it is larger than the sum of its proper divisors (3199375395).

4022420445 is a wasteful number, since it uses less digits than its factorization.

4022420445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295122 (or 295116 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 4022420445 is about 63422.5547025662. The cubic root of 4022420445 is about 1590.3613810119.

Adding to 4022420445 its reverse (5440242204), we get a palindrome (9462662649).

The spelling of 4022420445 in words is "four billion, twenty-two million, four hundred twenty thousand, four hundred forty-five".