3227545381 has 16 divisors (see below), whose sum is σ = 3318638400. Its totient is φ = 3137846400.

The previous prime is 3227545337. The next prime is 3227545397. The reversal of 3227545381 is 1835457223.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3227545381 is a prime.

It is a super-2 number, since 2×3227545381² = 20834098372828870322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3227545301) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3160651 + ... + 3161671.

It is an arithmetic number, because the mean of its divisors is an integer number (207414900).

Almost surely, 2^3227545381 is an apocalyptic number.

It is an amenable number.

3227545381 is a deficient number, since it is larger than the sum of its proper divisors (91093019).

3227545381 is a wasteful number, since it uses less digits than its factorization.

3227545381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620.

The product of its digits is 201600, while the sum is 40.

The square root of 3227545381 is about 56811.4898678076. The cubic root of 3227545381 is about 1477.8287771105.

The spelling of 3227545381 in words is "three billion, two hundred twenty-seven million, five hundred forty-five thousand, three hundred eighty-one".