1622207680 has 112 divisors (see below), whose sum is σ = 4081296384. Its totient is φ = 613186560.

The previous prime is 1622207659. The next prime is 1622207683. The reversal of 1622207680 is 867022261.

It is not an unprimeable number, because it can be changed into a prime (1622207683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424659 + ... + 428461.

Almost surely, 2^1622207680 is an apocalyptic number.

1622207680 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 1622207680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2040648192).

1622207680 is an abundant number, since it is smaller than the sum of its proper divisors (2459088704).

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

1622207680 is a wasteful number, since it uses less digits than its factorization.

1622207680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894 (or 3884 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 1622207680 is about 40276.6393831462. The cubic root of 1622207680 is about 1174.9935548160.

The spelling of 1622207680 in words is "one billion, six hundred twenty-two million, two hundred seven thousand, six hundred eighty".