3521822850 has 288 divisors, whose sum is σ = 12332960640. Its totient is φ = 699217920.

The previous prime is 3521822819. The next prime is 3521822873. The reversal of 3521822850 is 582281253.

3521822850 is a `hidden beast` number, since 3 + 521 + 82 + 2 + 8 + 50 = 666.

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 143 ways as a sum of consecutive naturals, for example, 693621 + ... + 698679.

It is an arithmetic number, because the mean of its divisors is an integer number (42822780).

Almost surely, 2^3521822850 is an apocalyptic number.

3521822850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3521822850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6166480320).

3521822850 is an abundant number, since it is smaller than the sum of its proper divisors (8811137790).

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

3521822850 is a wasteful number, since it uses less digits than its factorization.

3521822850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114 (or 5106 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 3521822850 is about 59344.9479736902. The cubic root of 3521822850 is about 1521.4435227746.

The spelling of 3521822850 in words is "three billion, five hundred twenty-one million, eight hundred twenty-two thousand, eight hundred fifty".