3223215473 has 2 divisors, whose sum is σ = 3223215474. Its totient is φ = 3223215472.

The previous prime is 3223215427. The next prime is 3223215493. The reversal of 3223215473 is 3745123223.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1950723889 + 1272491584 = 44167^2 + 35672^2 .

It is an emirp because it is prime and its reverse (3745123223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3223215473 - 2⁶ = 3223215409 is a prime.

It is a super-2 number, since 2×3223215473² = 20778235970773227458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3223215403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611607736 + 1611607737.

It is an arithmetic number, because the mean of its divisors is an integer number (1611607737).

Almost surely, 2^3223215473 is an apocalyptic number.

It is an amenable number.

3223215473 is a deficient number, since it is larger than the sum of its proper divisors (1).

3223215473 is an equidigital number, since it uses as much as digits as its factorization.

3223215473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 32.

The square root of 3223215473 is about 56773.3693997459. The cubic root of 3223215473 is about 1477.1676218067.

Adding to 3223215473 its reverse (3745123223), we get a palindrome (6968338696).

The spelling of 3223215473 in words is "three billion, two hundred twenty-three million, two hundred fifteen thousand, four hundred seventy-three".