2552247198 has 128 divisors (see below), whose sum is σ = 6070563840. Its totient is φ = 793618560.

The previous prime is 2552247169. The next prime is 2552247199. The reversal of 2552247198 is 8917422552.

2552247198 is a `hidden beast` number, since 2 + 552 + 2 + 4 + 7 + 1 + 98 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552247199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5240511 + ... + 5240997.

It is an arithmetic number, because the mean of its divisors is an integer number (47426280).

Almost surely, 2^2552247198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2552247198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3035281920).

2552247198 is an abundant number, since it is smaller than the sum of its proper divisors (3518316642).

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

2552247198 is a wasteful number, since it uses less digits than its factorization.

2552247198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 633 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 2552247198 is about 50519.7703676491. The cubic root of 2552247198 is about 1366.5984125210.

The spelling of 2552247198 in words is "two billion, five hundred fifty-two million, two hundred forty-seven thousand, one hundred ninety-eight".