2235668 has 12 divisors (see below), whose sum is σ = 4047540. Its totient is φ = 1079232.

The previous prime is 2235661. The next prime is 2235671. The reversal of 2235668 is 8665322.

It can be written as a sum of positive squares in 2 ways, for example, as 1317904 + 917764 = 1148^2 + 958^2 .

It is a super-2 number, since 2×2235668² = 9996422812448, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁵ + 2²¹ + 3¹⁰ + 5⁷ + 6 + 6⁴ + 8 .

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2235661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9521 + ... + 9752.

It is an arithmetic number, because the mean of its divisors is an integer number (337295).

2^2235668 is an apocalyptic number.

It is an amenable number.

2235668 is a deficient number, since it is larger than the sum of its proper divisors (1811872).

2235668 is a wasteful number, since it uses less digits than its factorization.

2235668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19306 (or 19304 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 2235668 is about 1495.2150347024. The cubic root of 2235668 is about 130.7582511942.

The spelling of 2235668 in words is "two million, two hundred thirty-five thousand, six hundred sixty-eight".