6622240620 has 48 divisors (see below), whose sum is σ = 19518186240. Its totient is φ = 1672986816.

The previous prime is 6622240613. The next prime is 6622240637. The reversal of 6622240620 is 260422266.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2903352 + ... + 2905631.

It is an arithmetic number, because the mean of its divisors is an integer number (406628880).

Almost surely, 2^6622240620 is an apocalyptic number.

6622240620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6622240620 is an abundant number, since it is smaller than the sum of its proper divisors (12895945620).

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

6622240620 is a wasteful number, since it uses less digits than its factorization.

6622240620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5809014 (or 5809012 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 6622240620 is about 81377.1504784973. The cubic root of 6622240620 is about 1877.8820856851.

Adding to 6622240620 its reverse (260422266), we get a palindrome (6882662886).

The spelling of 6622240620 in words is "six billion, six hundred twenty-two million, two hundred forty thousand, six hundred twenty".