2298821725 has 12 divisors (see below), whose sum is σ = 2852918964. Its totient is φ = 1837521920.

The previous prime is 2298821699. The next prime is 2298821807. The reversal of 2298821725 is 5271288922.

It can be written as a sum of positive squares in 6 ways, for example, as 2809 + 2298818916 = 53^2 + 47946^2 .

It is not a de Polignac number, because 2298821725 - 2²⁷ = 2164603997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7354 + ... + 68203.

It is an arithmetic number, because the mean of its divisors is an integer number (237743247).

Almost surely, 2^2298821725 is an apocalyptic number.

2298821725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2298821725 is a deficient number, since it is larger than the sum of its proper divisors (554097239).

2298821725 is a wasteful number, since it uses less digits than its factorization.

2298821725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76784 (or 76779 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 2298821725 is about 47946.0292933628. The cubic root of 2298821725 is about 1319.7806731171.

The spelling of 2298821725 in words is "two billion, two hundred ninety-eight million, eight hundred twenty-one thousand, seven hundred twenty-five".