5223256398 has 12 divisors (see below), whose sum is σ = 11317055568. Its totient is φ = 1741085460.

The previous prime is 5223256391. The next prime is 5223256403. The reversal of 5223256398 is 8936523225.

5223256398 is a `hidden beast` number, since 5 + 2 + 2 + 3 + 2 + 5 + 639 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5223256391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145090438 + ... + 145090473.

It is an arithmetic number, because the mean of its divisors is an integer number (943087964).

Almost surely, 2^5223256398 is an apocalyptic number.

5223256398 is an abundant number, since it is smaller than the sum of its proper divisors (6093799170).

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

5223256398 is a wasteful number, since it uses less digits than its factorization.

5223256398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290180919 (or 290180916 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 5223256398 is about 72272.0997204315. The cubic root of 5223256398 is about 1735.0571392511.

The spelling of 5223256398 in words is "five billion, two hundred twenty-three million, two hundred fifty-six thousand, three hundred ninety-eight".