3423421220 has 12 divisors (see below), whose sum is σ = 7189184604. Its totient is φ = 1369368480.

The previous prime is 3423421217. The next prime is 3423421231. The reversal of 3423421220 is 221243243.

It can be written as a sum of positive squares in 2 ways, for example, as 930616036 + 2492805184 = 30506^2 + 49928^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85585511 + ... + 85585550.

It is an arithmetic number, because the mean of its divisors is an integer number (599098717).

Almost surely, 2^3423421220 is an apocalyptic number.

It is an amenable number.

3423421220 is an abundant number, since it is smaller than the sum of its proper divisors (3765763384).

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

3423421220 is a wasteful number, since it uses less digits than its factorization.

3423421220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171171070 (or 171171068 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3423421220 is about 58510.0095710127. The cubic root of 3423421220 is about 1507.1394787232.

Adding to 3423421220 its reverse (221243243), we get a palindrome (3644664463).

The spelling of 3423421220 in words is "three billion, four hundred twenty-three million, four hundred twenty-one thousand, two hundred twenty".