3250221633 has 10 divisors (see below), whose sum is σ = 4855269474. Its totient is φ = 2166814368.

The previous prime is 3250221631. The next prime is 3250221671. The reversal of 3250221633 is 3361220523.

3250221633 is a `hidden beast` number, since 3 + 2 + 5 + 0 + 2 + 21 + 633 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3171153969 + 79067664 = 56313^2 + 8892^2 .

It is not a de Polignac number, because 3250221633 - 2¹ = 3250221631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3250221597 and 3250221606.

It is not an unprimeable number, because it can be changed into a prime (3250221631) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20063016 + ... + 20063177.

Almost surely, 2^3250221633 is an apocalyptic number.

It is an amenable number.

3250221633 is a deficient number, since it is larger than the sum of its proper divisors (1605047841).

3250221633 is an equidigital number, since it uses as much as digits as its factorization.

3250221633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40126205 (or 40126196 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 3250221633 is about 57010.7150718179. The cubic root of 3250221633 is about 1481.2817045609.

The spelling of 3250221633 in words is "three billion, two hundred fifty million, two hundred twenty-one thousand, six hundred thirty-three".