4091922122500 has 135 divisors (see below), whose sum is σ = 9359504399091. Its totient is φ = 1564714932000.

The previous prime is 4091922122443. The next prime is 4091922122527. The reversal of 4091922122500 is 52212291904.

The square root of 4091922122500 is 2022850.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 320806694404 + 3771115428096 = 566398^2 + 1941936^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4091922122500.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2326276621 + ... + 2326278379.

Almost surely, 2^{4091922122500} is an apocalyptic number.

4091922122500 is the 2022850-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4091922122500

4091922122500 is an abundant number, since it is smaller than the sum of its proper divisors (5267582276591).

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

4091922122500 is an frugal number, since it uses more digits than its factorization.

4091922122500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3588 (or 1789 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 4091922122500 in words is "four trillion, ninety-one billion, nine hundred twenty-two million, one hundred twenty-two thousand, five hundred".