1622022589440 has 1056 divisors, whose sum is σ = 6636015300096. Its totient is φ = 376048189440.

The previous prime is 1622022589399. The next prime is 1622022589501. The reversal of 1622022589440 is 449852202261.

1622022589440 is a `hidden beast` number, since 1 + 6 + 2 + 2 + 0 + 22 + 589 + 4 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (1056).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 314769904 + ... + 314775056.

Almost surely, 2^{1622022589440} is an apocalyptic number.

1622022589440 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 1622022589440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3318007650048).

1622022589440 is an abundant number, since it is smaller than the sum of its proper divisors (5013992710656).

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

1622022589440 is a wasteful number, since it uses less digits than its factorization.

1622022589440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5227 (or 5197 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 1622022589440 in words is "one trillion, six hundred twenty-two billion, twenty-two million, five hundred eighty-nine thousand, four hundred forty".