2202289 has 4 divisors (see below), whose sum is σ = 2278260. Its totient is φ = 2126320.

The previous prime is 2202287. The next prime is 2202311. The reversal of 2202289 is 9822022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1575025 + 627264 = 1255^2 + 792^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202289 - 2¹ = 2202287 is a prime.

It is a d-powerful number, because it can be written as 2⁴ + 2⁸ + 0 + 2¹⁶ + 2²¹ + 8⁵ + 9⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202287) 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, 37942 + ... + 37999.

It is an arithmetic number, because the mean of its divisors is an integer number (569565).

2^2202289 is an apocalyptic number.

2202289 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2202289 is a deficient number, since it is larger than the sum of its proper divisors (75971).

2202289 is an equidigital number, since it uses as much as digits as its factorization.

2202289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75970.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2202289 is about 1484.0111185567. The cubic root of 2202289 is about 130.1042359264.

The spelling of 2202289 in words is "two million, two hundred two thousand, two hundred eighty-nine".