622133220 has 48 divisors (see below), whose sum is σ = 1745130240. Its totient is φ = 165601536.

The previous prime is 622133191. The next prime is 622133227. The reversal of 622133220 is 22331226.

It is not an unprimeable number, because it can be changed into a prime (622133227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25029 + ... + 43251.

It is an arithmetic number, because the mean of its divisors is an integer number (36356880).

Almost surely, 2^622133220 is an apocalyptic number.

622133220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

622133220 is an abundant number, since it is smaller than the sum of its proper divisors (1122997020).

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

622133220 is a wasteful number, since it uses less digits than its factorization.

622133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18804 (or 18802 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 622133220 is about 24942.5985013591. The cubic root of 622133220 is about 853.6787362442.

Adding to 622133220 its reverse (22331226), we get a palindrome (644464446).

The spelling of 622133220 in words is "six hundred twenty-two million, one hundred thirty-three thousand, two hundred twenty".