2265898 has 4 divisors (see below), whose sum is σ = 3398850. Its totient is φ = 1132948.

The previous prime is 2265881. The next prime is 2265899. The reversal of 2265898 is 8985622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2259009 + 6889 = 1503^2 + 83^2 .

It is a d-powerful number, because it can be written as 2⁷ + 2²⁰ + 6³ + 5⁸ + 8⁵ + 9⁶ + 8⁶ .

It is a self number, because there is not a number n which added to its sum of digits gives 2265898.

It is not an unprimeable number, because it can be changed into a prime (2265899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566473 + ... + 566476.

2^2265898 is an apocalyptic number.

2265898 is a deficient number, since it is larger than the sum of its proper divisors (1132952).

2265898 is a wasteful number, since it uses less digits than its factorization.

2265898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132951.

The product of its digits is 69120, while the sum is 40.

The square root of 2265898 is about 1505.2900052814. The cubic root of 2265898 is about 131.3449719273.

The spelling of 2265898 in words is "two million, two hundred sixty-five thousand, eight hundred ninety-eight".