3222450420 has 192 divisors, whose sum is σ = 11132190720. Its totient is φ = 680182272.

The previous prime is 3222450409. The next prime is 3222450421. The reversal of 3222450420 is 240542223.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222450421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 274389 + ... + 285891.

It is an arithmetic number, because the mean of its divisors is an integer number (57980160).

Almost surely, 2^3222450420 is an apocalyptic number.

3222450420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3222450420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5566095360).

3222450420 is an abundant number, since it is smaller than the sum of its proper divisors (7909740300).

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

3222450420 is a wasteful number, since it uses less digits than its factorization.

3222450420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11574 (or 11572 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 3222450420 is about 56766.6312194056. The cubic root of 3222450420 is about 1477.0507404962.

Adding to 3222450420 its reverse (240542223), we get a palindrome (3462992643).

The spelling of 3222450420 in words is "three billion, two hundred twenty-two million, four hundred fifty thousand, four hundred twenty".