3222635040 has 72 divisors (see below), whose sum is σ = 10997246988. Its totient is φ = 859368960.

The previous prime is 3222635029. The next prime is 3222635081. The reversal of 3222635040 is 405362223.

3222635040 is a `hidden beast` number, since 3 + 2 + 22 + 635 + 0 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2966763024 + 255872016 = 54468^2 + 15996^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 3222634995 and 3222635013.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1117531 + ... + 1120410.

Almost surely, 2^3222635040 is an apocalyptic number.

3222635040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3222635040 is an abundant number, since it is smaller than the sum of its proper divisors (7774611948).

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

3222635040 is a wasteful number, since it uses less digits than its factorization.

3222635040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237962 (or 2237951 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 3222635040 is about 56768.2573274889. The cubic root of 3222635040 is about 1477.0789475917.

Adding to 3222635040 its reverse (405362223), we get a palindrome (3627997263).

It can be divided in two parts, 322 and 2635040, that added together give a palindrome (2635362).

The spelling of 3222635040 in words is "three billion, two hundred twenty-two million, six hundred thirty-five thousand, forty".