2269540 has 96 divisors (see below), whose sum is σ = 6209280. Its totient is φ = 677376.

The previous prime is 2269537. The next prime is 2269601. The reversal of 2269540 is 459622.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2269499 and 2269508.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52759 + ... + 52801.

It is an arithmetic number, because the mean of its divisors is an integer number (64680).

2^2269540 is an apocalyptic number.

2269540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2269540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3104640).

2269540 is an abundant number, since it is smaller than the sum of its proper divisors (3939740).

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

2269540 is a wasteful number, since it uses less digits than its factorization.

2269540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2269540 is about 1506.4992532358. The cubic root of 2269540 is about 131.4153049441.

It can be divided in two parts, 2269 and 540, that added together give a square (2809 = 53²).

The spelling of 2269540 in words is "two million, two hundred sixty-nine thousand, five hundred forty".