3201225155 has 8 divisors (see below), whose sum is σ = 3846954384. Its totient is φ = 2557324000.

The previous prime is 3201225149. The next prime is 3201225197. The reversal of 3201225155 is 5515221023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3201225155 - 2¹⁴ = 3201208771 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453161 + ... + 460170.

It is an arithmetic number, because the mean of its divisors is an integer number (480869298).

Almost surely, 2^3201225155 is an apocalyptic number.

3201225155 is a deficient number, since it is larger than the sum of its proper divisors (645729229).

3201225155 is an equidigital number, since it uses as much as digits as its factorization.

3201225155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914037.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 3201225155 is about 56579.3704012337. The cubic root of 3201225155 is about 1473.8006383611.

Adding to 3201225155 its reverse (5515221023), we get a palindrome (8716446178).

The spelling of 3201225155 in words is "three billion, two hundred one million, two hundred twenty-five thousand, one hundred fifty-five".