5225156988 has 12 divisors (see below), whose sum is σ = 12192033000. Its totient is φ = 1741718992.

The previous prime is 5225156987. The next prime is 5225156999. The reversal of 5225156988 is 8896515225.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 5225156988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5225156987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217714863 + ... + 217714886.

It is an arithmetic number, because the mean of its divisors is an integer number (1016002750).

Almost surely, 2^5225156988 is an apocalyptic number.

It is an amenable number.

5225156988 is an abundant number, since it is smaller than the sum of its proper divisors (6966876012).

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

5225156988 is a wasteful number, since it uses less digits than its factorization.

5225156988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435429756 (or 435429754 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 51.

The square root of 5225156988 is about 72285.2473745508. The cubic root of 5225156988 is about 1735.2675592207.

The spelling of 5225156988 in words is "five billion, two hundred twenty-five million, one hundred fifty-six thousand, nine hundred eighty-eight".