5221031904 has 432 divisors, whose sum is σ = 17567746560. Its totient is φ = 1522540800.

The previous prime is 5221031899. The next prime is 5221031909. The reversal of 5221031904 is 4091301225.

It is an interprime number because it is at equal distance from previous prime (5221031899) and next prime (5221031909).

It is a tau number, because it is divible by the number of its divisors (432).

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 (5221031909) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 29167687 + ... + 29167865.

It is an arithmetic number, because the mean of its divisors is an integer number (40666080).

Almost surely, 2^5221031904 is an apocalyptic number.

5221031904 is a gapful number since it is divisible by the number (54) 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 5221031904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8783873280).

5221031904 is an abundant number, since it is smaller than the sum of its proper divisors (12346714656).

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

5221031904 is a wasteful number, since it uses less digits than its factorization.

5221031904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 5221031904 is about 72256.7083667669. The cubic root of 5221031904 is about 1734.8107940629.

The spelling of 5221031904 in words is "five billion, two hundred twenty-one million, thirty-one thousand, nine hundred four".