1622653280 has 24 divisors (see below), whose sum is σ = 3833518752. Its totient is φ = 649061248.

The previous prime is 1622653261. The next prime is 1622653283. The reversal of 1622653280 is 823562261.

It is a self number, because there is not a number n which added to its sum of digits gives 1622653280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622653283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5070632 + ... + 5070951.

It is an arithmetic number, because the mean of its divisors is an integer number (159729948).

Almost surely, 2^1622653280 is an apocalyptic number.

1622653280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1622653280 is an abundant number, since it is smaller than the sum of its proper divisors (2210865472).

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

1622653280 is a wasteful number, since it uses less digits than its factorization.

1622653280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10141598 (or 10141590 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1622653280 is about 40282.1707458771. The cubic root of 1622653280 is about 1175.1011302726.

The spelling of 1622653280 in words is "one billion, six hundred twenty-two million, six hundred fifty-three thousand, two hundred eighty".