2273562 has 32 divisors (see below), whose sum is σ = 5132160. Its totient is φ = 745920.

The previous prime is 2273561. The next prime is 2273567. The reversal of 2273562 is 2653722.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2273561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3538 + ... + 4130.

It is an arithmetic number, because the mean of its divisors is an integer number (160380).

2^2273562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2273562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2566080).

2273562 is an abundant number, since it is smaller than the sum of its proper divisors (2858598).

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

2273562 is a wasteful number, since it uses less digits than its factorization.

2273562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 669 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 2273562 is about 1507.8335451899. The cubic root of 2273562 is about 131.4928890120.

The spelling of 2273562 in words is "two million, two hundred seventy-three thousand, five hundred sixty-two".