3427221633 has 16 divisors (see below), whose sum is σ = 4993132800. Its totient is φ = 2073736080.

The previous prime is 3427221631. The next prime is 3427221671. The reversal of 3427221633 is 3361227243.

It is not a de Polignac number, because 3427221633 - 2¹ = 3427221631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 3427221594 and 3427221603.

It is not an unprimeable number, because it can be changed into a prime (3427221631) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 63463 + ... + 104316.

It is an arithmetic number, because the mean of its divisors is an integer number (312070800).

Almost surely, 2^3427221633 is an apocalyptic number.

3427221633 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3427221633 is a deficient number, since it is larger than the sum of its proper divisors (1565911167).

3427221633 is a wasteful number, since it uses less digits than its factorization.

3427221633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168412.

The product of its digits is 36288, while the sum is 33.

The square root of 3427221633 is about 58542.4771682921. The cubic root of 3427221633 is about 1507.6969750508.

Adding to 3427221633 its reverse (3361227243), we get a palindrome (6788448876).

The spelling of 3427221633 in words is "three billion, four hundred twenty-seven million, two hundred twenty-one thousand, six hundred thirty-three".