2266740 has 108 divisors (see below), whose sum is σ = 8029476. Its totient is φ = 516096.

The previous prime is 2266739. The next prime is 2266753. The reversal of 2266740 is 476622.

It can be written as a sum of positive squares in 2 ways, for example, as 1695204 + 571536 = 1302^2 + 756^2 .

It is a super-2 number, since 2×2266740² = 10276220455200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8692 + ... + 8948.

It is an arithmetic number, because the mean of its divisors is an integer number (74347).

2^2266740 is an apocalyptic number.

2266740 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 2266740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4014738).

2266740 is an abundant number, since it is smaller than the sum of its proper divisors (5762736).

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

2266740 is a wasteful number, since it uses less digits than its factorization.

2266740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 2266740 is about 1505.5696596305. The cubic root of 2266740 is about 131.3612390277.

The spelling of 2266740 in words is "two million, two hundred sixty-six thousand, seven hundred forty".