2269290 has 32 divisors (see below), whose sum is σ = 5532480. Its totient is φ = 595584.

The previous prime is 2269283. The next prime is 2269307. The reversal of 2269290 is 929622.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1446 + ... + 2574.

It is an arithmetic number, because the mean of its divisors is an integer number (172890).

2^2269290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2269290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2766240).

2269290 is an abundant number, since it is smaller than the sum of its proper divisors (3263190).

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

2269290 is a wasteful number, since it uses less digits than its factorization.

2269290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2269290 is about 1506.4162771293. The cubic root of 2269290 is about 131.4104794387.

The spelling of 2269290 in words is "two million, two hundred sixty-nine thousand, two hundred ninety".