2262440 has 32 divisors (see below), whose sum is σ = 5136480. Its totient is φ = 896832.

The previous prime is 2262437. The next prime is 2262443. The reversal of 2262440 is 442622.

It is an interprime number because it is at equal distance from previous prime (2262437) and next prime (2262443).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2262443) 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, 6347 + ... + 6693.

It is an arithmetic number, because the mean of its divisors is an integer number (160515).

2^2262440 is an apocalyptic number.

2262440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2262440 is an abundant number, since it is smaller than the sum of its proper divisors (2874040).

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

2262440 is a wasteful number, since it uses less digits than its factorization.

2262440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2262440 is about 1504.1409508420. The cubic root of 2262440 is about 131.2781224697.

The spelling of 2262440 in words is "two million, two hundred sixty-two thousand, four hundred forty".