2233660 has 72 divisors (see below), whose sum is σ = 5630688. Its totient is φ = 739200.

The previous prime is 2233657. The next prime is 2233709. The reversal of 2233660 is 663322.

2233660 = T₇₅ + T₇₆ + ... + T₂₃₉.

2233660 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31425 + ... + 31495.

It is an arithmetic number, because the mean of its divisors is an integer number (78204).

2^2233660 is an apocalyptic number.

2233660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2233660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2815344).

2233660 is an abundant number, since it is smaller than the sum of its proper divisors (3397028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2233660 is a wasteful number, since it uses less digits than its factorization.

2233660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 2233660 is about 1494.5434085365. The cubic root of 2233660 is about 130.7190919488.

Adding to 2233660 its reverse (663322), we get a palindrome (2896982).

It can be divided in two parts, 223 and 3660, that added together give a palindrome (3883).

The spelling of 2233660 in words is "two million, two hundred thirty-three thousand, six hundred sixty".