1622773320 has 128 divisors (see below), whose sum is σ = 5572419840. Its totient is φ = 370344960.

The previous prime is 1622773319. The next prime is 1622773331. The reversal of 1622773320 is 233772261.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 789414 + ... + 791466.

It is an arithmetic number, because the mean of its divisors is an integer number (43534530).

Almost surely, 2^1622773320 is an apocalyptic number.

1622773320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1622773320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2786209920).

1622773320 is an abundant number, since it is smaller than the sum of its proper divisors (3949646520).

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

1622773320 is a wasteful number, since it uses less digits than its factorization.

1622773320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015 (or 3011 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 1622773320 is about 40283.6607075375. The cubic root of 1622773320 is about 1175.1301066130.

The spelling of 1622773320 in words is "one billion, six hundred twenty-two million, seven hundred seventy-three thousand, three hundred twenty".