6222020040 has 96 divisors (see below), whose sum is σ = 20410678080. Its totient is φ = 1643688576.

The previous prime is 6222020029. The next prime is 6222020083. The reversal of 6222020040 is 400202226.

It is a happy number.

6222020040 is a `hidden beast` number, since 622 + 2 + 0 + 2 + 0 + 0 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 6222019995 and 6222020022.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 42244 + ... + 119283.

It is an arithmetic number, because the mean of its divisors is an integer number (212611230).

Almost surely, 2^6222020040 is an apocalyptic number.

6222020040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6222020040 is an abundant number, since it is smaller than the sum of its proper divisors (14188658040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6222020040 is a wasteful number, since it uses less digits than its factorization.

6222020040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161651 (or 161644 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 6222020040 is about 78879.7822005107. The cubic root of 6222020040 is about 1839.2628624161.

Adding to 6222020040 its reverse (400202226), we get a palindrome (6622222266).

The spelling of 6222020040 in words is "six billion, two hundred twenty-two million, twenty thousand, forty".