2273490 has 24 divisors (see below), whose sum is σ = 5911308. Its totient is φ = 606240.

The previous prime is 2273489. The next prime is 2273497. The reversal of 2273490 is 943722.

It can be written as a sum of positive squares in 2 ways, for example, as 2099601 + 173889 = 1449^2 + 417^2 .

It is not an unprimeable number, because it can be changed into a prime (2273497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12541 + ... + 12720.

2^2273490 is an apocalyptic number.

2273490 is an abundant number, since it is smaller than the sum of its proper divisors (3637818).

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

2273490 is a wasteful number, since it uses less digits than its factorization.

2273490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25274 (or 25271 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2273490 is about 1507.8096696865. The cubic root of 2273490 is about 131.4915009422.

The spelling of 2273490 in words is "two million, two hundred seventy-three thousand, four hundred ninety".