2256698 has 4 divisors (see below), whose sum is σ = 3385050. Its totient is φ = 1128348.

The previous prime is 2256697. The next prime is 2256703. The reversal of 2256698 is 8966522.

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., 1923769 + 332929 = 1387^2 + 577^2 .

It is a d-powerful number, because it can be written as 2¹⁶ + 2²¹ + 5⁴ + 6⁶ + 6⁶ + 9 + 8² .

It is not an unprimeable number, because it can be changed into a prime (2256697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564173 + ... + 564176.

2^2256698 is an apocalyptic number.

2256698 is a deficient number, since it is larger than the sum of its proper divisors (1128352).

2256698 is a wasteful number, since it uses less digits than its factorization.

2256698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128351.

The product of its digits is 51840, while the sum is 38.

The square root of 2256698 is about 1502.2310075351. The cubic root of 2256698 is about 131.1669684965.

The spelling of 2256698 in words is "two million, two hundred fifty-six thousand, six hundred ninety-eight".