4225545522 has 128 divisors (see below), whose sum is σ = 10575360000. Its totient is φ = 1239675840.

The previous prime is 4225545497. The next prime is 4225545523. The reversal of 4225545522 is 2255455224.

4225545522 is a `hidden beast` number, since 42 + 2 + 55 + 45 + 522 = 666.

It is a super-3 number, since 3×4225545522³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4225545523) 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, 2486229 + ... + 2487927.

It is an arithmetic number, because the mean of its divisors is an integer number (82620000).

Almost surely, 2^4225545522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4225545522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5287680000).

4225545522 is an abundant number, since it is smaller than the sum of its proper divisors (6349814478).

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

4225545522 is a wasteful number, since it uses less digits than its factorization.

4225545522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853 (or 1847 counting only the distinct ones).

The product of its digits is 160000, while the sum is 36.

The square root of 4225545522 is about 65004.1961876308. The cubic root of 4225545522 is about 1616.6931377865.

The spelling of 4225545522 in words is "four billion, two hundred twenty-five million, five hundred forty-five thousand, five hundred twenty-two".