3220421000 has 64 divisors (see below), whose sum is σ = 7795710000. Its totient is φ = 1243737600.

The previous prime is 3220420991. The next prime is 3220421003. The reversal of 3220421000 is 1240223.

It can be written as a sum of positive squares in 8 ways, for example, as 284731876 + 2935689124 = 16874^2 + 54182^2 .

It is a super-2 number, since 2×3220421000² = 20742222834482000000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3220421003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26525 + ... + 84524.

Almost surely, 2^3220421000 is an apocalyptic number.

It is an amenable number.

3220421000 is an abundant number, since it is smaller than the sum of its proper divisors (4575289000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3220421000 is a wasteful number, since it uses less digits than its factorization.

3220421000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111099 (or 111085 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 3220421000 is about 56748.7532902706. The cubic root of 3220421000 is about 1476.7406053086.

Adding to 3220421000 its reverse (1240223), we get a palindrome (3221661223).

The spelling of 3220421000 in words is "three billion, two hundred twenty million, four hundred twenty-one thousand".