3223473921 has 48 divisors (see below), whose sum is σ = 5143355200. Its totient is φ = 1994512896.

The previous prime is 3223473919. The next prime is 3223473931. The reversal of 3223473921 is 1293743223.

3223473921 is a `hidden beast` number, since 3 + 223 + 47 + 392 + 1 = 666.

It is not a de Polignac number, because 3223473921 - 2¹ = 3223473919 is a prime.

It is a super-2 number, since 2×3223473921² = 20781568238734228482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3223473931) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 566790 + ... + 572448.

Almost surely, 2^3223473921 is an apocalyptic number.

It is an amenable number.

3223473921 is a deficient number, since it is larger than the sum of its proper divisors (1919881279).

3223473921 is a wasteful number, since it uses less digits than its factorization.

3223473921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5775 (or 5752 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 3223473921 is about 56775.6454917071. The cubic root of 3223473921 is about 1477.2071021349.

The spelling of 3223473921 in words is "three billion, two hundred twenty-three million, four hundred seventy-three thousand, nine hundred twenty-one".