4228994520 has 48 divisors (see below), whose sum is σ = 13744233360. Its totient is φ = 1127731776.

The previous prime is 4228994453. The next prime is 4228994527. The reversal of 4228994520 is 254998224.

4228994520 is a `hidden beast` number, since 42 + 2 + 89 + 9 + 4 + 520 = 666.

4228994520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4228994527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5873244 + ... + 5873963.

It is an arithmetic number, because the mean of its divisors is an integer number (286338195).

Almost surely, 2^4228994520 is an apocalyptic number.

4228994520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4228994520 is an abundant number, since it is smaller than the sum of its proper divisors (9515238840).

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

4228994520 is a wasteful number, since it uses less digits than its factorization.

4228994520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11747224 (or 11747217 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 4228994520 is about 65030.7198176370. The cubic root of 4228994520 is about 1617.1328802193.

The spelling of 4228994520 in words is "four billion, two hundred twenty-eight million, nine hundred ninety-four thousand, five hundred twenty".