1622222899200 has 864 divisors, whose sum is σ = 6287981918400. Its totient is φ = 413711400960.

The previous prime is 1622222899133. The next prime is 1622222899211. The reversal of 1622222899200 is 29982222261.

1622222899200 is a `hidden beast` number, since 1 + 62 + 222 + 289 + 92 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 286153966 + ... + 286159634.

It is an arithmetic number, because the mean of its divisors is an integer number (7277756850).

Almost surely, 2^{1622222899200} is an apocalyptic number.

1622222899200 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 1622222899200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3143990959200).

1622222899200 is an abundant number, since it is smaller than the sum of its proper divisors (4665759019200).

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

1622222899200 is an equidigital number, since it uses as much as digits as its factorization.

1622222899200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5739 (or 5702 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 1622222899200 in words is "one trillion, six hundred twenty-two billion, two hundred twenty-two million, eight hundred ninety-nine thousand, two hundred".