4222545120 has 192 divisors, whose sum is σ = 14823648000. Its totient is φ = 1122605568.

The previous prime is 4222545113. The next prime is 4222545127. The reversal of 4222545120 is 215452224.

It is an interprime number because it is at equal distance from previous prime (4222545113) and next prime (4222545127).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222545127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1635991 + ... + 1638569.

It is an arithmetic number, because the mean of its divisors is an integer number (77206500).

Almost surely, 2^4222545120 is an apocalyptic number.

4222545120 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 4222545120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7411824000).

4222545120 is an abundant number, since it is smaller than the sum of its proper divisors (10601102880).

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

4222545120 is a wasteful number, since it uses less digits than its factorization.

4222545120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982 (or 2968 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 4222545120 is about 64981.1135638656. The cubic root of 4222545120 is about 1616.3103960506.

Adding to 4222545120 its reverse (215452224), we get a palindrome (4437997344).

The spelling of 4222545120 in words is "four billion, two hundred twenty-two million, five hundred forty-five thousand, one hundred twenty".