2247380 has 24 divisors (see below), whose sum is σ = 4848648. Its totient is φ = 874368.

The previous prime is 2247379. The next prime is 2247389. The reversal of 2247380 is 837422.

It can be written as a sum of positive squares in 4 ways, for example, as 1024144 + 1223236 = 1012^2 + 1106^2 .

It is a d-powerful number, because it can be written as 2⁷ + 2¹⁷ + 4⁷ + 7⁴ + 3⁵ + 8⁷ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247389) 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, 779 + ... + 2258.

It is an arithmetic number, because the mean of its divisors is an integer number (202027).

2^2247380 is an apocalyptic number.

2247380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2247380 is an abundant number, since it is smaller than the sum of its proper divisors (2601268).

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

2247380 is a wasteful number, since it uses less digits than its factorization.

2247380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083 (or 3081 counting only the distinct ones).

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

The square root of 2247380 is about 1499.1264122815. The cubic root of 2247380 is about 130.9861881598.

The spelling of 2247380 in words is "two million, two hundred forty-seven thousand, three hundred eighty".