2198019025 has 12 divisors (see below), whose sum is σ = 2734261132. Its totient is φ = 1752791040.

The previous prime is 2198019007. The next prime is 2198019037. The reversal of 2198019025 is 5209108912.

It can be written as a sum of positive squares in 6 ways, for example, as 233845264 + 1964173761 = 15292^2 + 44319^2 .

It is not a de Polignac number, because 2198019025 - 2¹⁵ = 2197986257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 132624 + ... + 148273.

Almost surely, 2^2198019025 is an apocalyptic number.

2198019025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2198019025 is a deficient number, since it is larger than the sum of its proper divisors (536242107).

2198019025 is a wasteful number, since it uses less digits than its factorization.

2198019025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281220 (or 281215 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 2198019025 is about 46883.0355779145. The cubic root of 2198019025 is about 1300.2009600573.

It can be divided in two parts, 219801 and 9025, that added together give a triangular number (228826 = T₆₇₆).

The spelling of 2198019025 in words is "two billion, one hundred ninety-eight million, nineteen thousand, twenty-five".