4224155420 has 24 divisors (see below), whose sum is σ = 8903714400. Its totient is φ = 1683378752.

The previous prime is 4224155381. The next prime is 4224155443. The reversal of 4224155420 is 245514224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387200 + ... + 397959.

It is an arithmetic number, because the mean of its divisors is an integer number (370988100).

Almost surely, 2^4224155420 is an apocalyptic number.

It is an amenable number.

4224155420 is an abundant number, since it is smaller than the sum of its proper divisors (4679558980).

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

4224155420 is a wasteful number, since it uses less digits than its factorization.

4224155420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785437 (or 785435 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 4224155420 is about 64993.5029060598. The cubic root of 4224155420 is about 1616.5158340639.

Adding to 4224155420 its reverse (245514224), we get a palindrome (4469669644).

The spelling of 4224155420 in words is "four billion, two hundred twenty-four million, one hundred fifty-five thousand, four hundred twenty".