2273480 has 32 divisors (see below), whose sum is σ = 5581440. Its totient is φ = 826560.

The previous prime is 2273477. The next prime is 2273489. The reversal of 2273480 is 843722.

It is a super-2 number, since 2×2273480² = 10337422620800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2273489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2144 + ... + 3023.

It is an arithmetic number, because the mean of its divisors is an integer number (174420).

2^2273480 is an apocalyptic number.

2273480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2273480 is an abundant number, since it is smaller than the sum of its proper divisors (3307960).

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

2273480 is a wasteful number, since it uses less digits than its factorization.

2273480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5189 (or 5185 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2273480 is about 1507.8063536144. The cubic root of 2273480 is about 131.4913081524.

The spelling of 2273480 in words is "two million, two hundred seventy-three thousand, four hundred eighty".