5221398052 has 24 divisors (see below), whose sum is σ = 10080339192. Its totient is φ = 2351097600.

The previous prime is 5221398047. The next prime is 5221398059. The reversal of 5221398052 is 2508931225.

It can be written as a sum of positive squares in 4 ways, for example, as 148254976 + 5073143076 = 12176^2 + 71226^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5221398059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1222399 + ... + 1226662.

It is an arithmetic number, because the mean of its divisors is an integer number (420014133).

Almost surely, 2^5221398052 is an apocalyptic number.

5221398052 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5221398052 is a deficient number, since it is larger than the sum of its proper divisors (4858941140).

5221398052 is a wasteful number, since it uses less digits than its factorization.

5221398052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449119 (or 2449117 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 5221398052 is about 72259.2419832924. The cubic root of 5221398052 is about 1734.8513468799.

The spelling of 5221398052 in words is "five billion, two hundred twenty-one million, three hundred ninety-eight thousand, fifty-two".