3227915136 has 64 divisors (see below), whose sum is σ = 8615001600. Its totient is φ = 1070845440.

The previous prime is 3227915087. The next prime is 3227915143. The reversal of 3227915136 is 6315197223.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×3227915136² = 20838872250435796992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3227915094 and 3227915103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61105 + ... + 100943.

It is an arithmetic number, because the mean of its divisors is an integer number (134609400).

Almost surely, 2^3227915136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3227915136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4307500800).

3227915136 is an abundant number, since it is smaller than the sum of its proper divisors (5387086464).

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

3227915136 is a wasteful number, since it uses less digits than its factorization.

3227915136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40067 (or 40055 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 3227915136 is about 56814.7440018874. The cubic root of 3227915136 is about 1477.8852094400.

The spelling of 3227915136 in words is "three billion, two hundred twenty-seven million, nine hundred fifteen thousand, one hundred thirty-six".