4222401520 has 80 divisors (see below), whose sum is σ = 10675620288. Its totient is φ = 1546629120.

The previous prime is 4222401511. The next prime is 4222401539. The reversal of 4222401520 is 251042224.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 4222401491 and 4222401500.

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, 8365 + ... + 92275.

Almost surely, 2^4222401520 is an apocalyptic number.

4222401520 is a gapful number since it is divisible by the number (40) 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 4222401520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5337810144).

4222401520 is an abundant number, since it is smaller than the sum of its proper divisors (6453218768).

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

4222401520 is a wasteful number, since it uses less digits than its factorization.

4222401520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83978 (or 83972 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4222401520 is about 64980.0086180357. The cubic root of 4222401520 is about 1616.2920733884.

Adding to 4222401520 its reverse (251042224), we get a palindrome (4473443744).

The spelling of 4222401520 in words is "four billion, two hundred twenty-two million, four hundred one thousand, five hundred twenty".