3225707550 has 240 divisors, whose sum is σ = 9732314592. Its totient is φ = 787449600.

The previous prime is 3225707533. The next prime is 3225707561. The reversal of 3225707550 is 557075223.

It is a happy number.

3225707550 is a `hidden beast` number, since 32 + 2 + 5 + 70 + 7 + 550 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 10371895 + ... + 10372205.

Almost surely, 2^3225707550 is an apocalyptic number.

3225707550 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 3225707550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4866157296).

3225707550 is an abundant number, since it is smaller than the sum of its proper divisors (6506607042).

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

3225707550 is a wasteful number, since it uses less digits than its factorization.

3225707550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The square root of 3225707550 is about 56795.3127467399. The cubic root of 3225707550 is about 1477.5482217764.

The spelling of 3225707550 in words is "three billion, two hundred twenty-five million, seven hundred seven thousand, five hundred fifty".