1622544480 has 192 divisors, whose sum is σ = 5699635200. Its totient is φ = 431101440.

The previous prime is 1622544437. The next prime is 1622544503. The reversal of 1622544480 is 844452261.

1622544480 is a `hidden beast` number, since 16 + 22 + 544 + 4 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1636785 + ... + 1637775.

It is an arithmetic number, because the mean of its divisors is an integer number (29685600).

Almost surely, 2^1622544480 is an apocalyptic number.

1622544480 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 1622544480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2849817600).

1622544480 is an abundant number, since it is smaller than the sum of its proper divisors (4077090720).

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

1622544480 is a wasteful number, since it uses less digits than its factorization.

1622544480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394 (or 1380 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 1622544480 is about 40280.8202498410. The cubic root of 1622544480 is about 1175.0748659103.

The spelling of 1622544480 in words is "one billion, six hundred twenty-two million, five hundred forty-four thousand, four hundred eighty".