1622620000 has 60 divisors (see below), whose sum is σ = 3991937796. Its totient is φ = 649040000.

The previous prime is 1622619979. The next prime is 1622620019. The reversal of 1622620000 is 262261.

It is a self number, because there is not a number n which added to its sum of digits gives 1622620000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20566 + ... + 60565.

Almost surely, 2^1622620000 is an apocalyptic number.

1622620000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1622620000 is an abundant number, since it is smaller than the sum of its proper divisors (2369317796).

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

1622620000 is an frugal number, since it uses more digits than its factorization.

1622620000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81161 (or 81138 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1622620000 is about 40281.7576577785. The cubic root of 1622620000 is about 1175.0930965923.

Adding to 1622620000 its reverse (262261), we get a palindrome (1622882261).

The spelling of 1622620000 in words is "one billion, six hundred twenty-two million, six hundred twenty thousand".