3215222403 has 8 divisors (see below), whose sum is σ = 4288846848. Its totient is φ = 2142539784.

The previous prime is 3215222399. The next prime is 3215222429. The reversal of 3215222403 is 3042225123.

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

It is not a de Polignac number, because 3215222403 - 2² = 3215222399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3215220403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227451 + ... + 241172.

It is an arithmetic number, because the mean of its divisors is an integer number (536105856).

Almost surely, 2^3215222403 is an apocalyptic number.

3215222403 is a deficient number, since it is larger than the sum of its proper divisors (1073624445).

3215222403 is a wasteful number, since it uses less digits than its factorization.

3215222403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470913.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 3215222403 is about 56702.9311676213. The cubic root of 3215222403 is about 1475.9455628934.

Adding to 3215222403 its reverse (3042225123), we get a palindrome (6257447526).

The spelling of 3215222403 in words is "three billion, two hundred fifteen million, two hundred twenty-two thousand, four hundred three".