4223525904 has 120 divisors (see below), whose sum is σ = 12969716760. Its totient is φ = 1274996736.

The previous prime is 4223525899. The next prime is 4223525953. The reversal of 4223525904 is 4095253224.

4223525904 is a `hidden beast` number, since 42 + 2 + 3 + 525 + 90 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 322274304 + 3901251600 = 17952^2 + 62460^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77932 + ... + 120500.

It is an arithmetic number, because the mean of its divisors is an integer number (108080973).

Almost surely, 2^4223525904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4223525904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6484858380).

4223525904 is an abundant number, since it is smaller than the sum of its proper divisors (8746190856).

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

4223525904 is a wasteful number, since it uses less digits than its factorization.

4223525904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42649 (or 42640 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 4223525904 is about 64988.6598107701. The cubic root of 4223525904 is about 1616.4355282169.

The spelling of 4223525904 in words is "four billion, two hundred twenty-three million, five hundred twenty-five thousand, nine hundred four".