1622265504500 has 96 divisors (see below), whose sum is σ = 3604270400640. Its totient is φ = 637696915200.

The previous prime is 1622265504493. The next prime is 1622265504521. The reversal of 1622265504500 is 54055622261.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113066327 + ... + 113080673.

It is an arithmetic number, because the mean of its divisors is an integer number (37544483340).

Almost surely, 2^{1622265504500} is an apocalyptic number.

1622265504500 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 1622265504500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1802135200320).

1622265504500 is an abundant number, since it is smaller than the sum of its proper divisors (1982004896140).

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

1622265504500 is a wasteful number, since it uses less digits than its factorization.

1622265504500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18258 (or 18246 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 1622265504500 in words is "one trillion, six hundred twenty-two billion, two hundred sixty-five million, five hundred four thousand, five hundred".