3422217720 has 64 divisors (see below), whose sum is σ = 10597847040. Its totient is φ = 883152000.

The previous prime is 3422217713. The next prime is 3422217749. The reversal of 3422217720 is 277122243.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456256 + ... + 463695.

It is an arithmetic number, because the mean of its divisors is an integer number (165591360).

Almost surely, 2^3422217720 is an apocalyptic number.

3422217720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3422217720 is an abundant number, since it is smaller than the sum of its proper divisors (7175629320).

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

3422217720 is a wasteful number, since it uses less digits than its factorization.

3422217720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919996 (or 919992 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 3422217720 is about 58499.7241019135. The cubic root of 3422217720 is about 1506.9628469428.

Adding to 3422217720 its reverse (277122243), we get a palindrome (3699339963).

The spelling of 3422217720 in words is "three billion, four hundred twenty-two million, two hundred seventeen thousand, seven hundred twenty".