2227440 has 40 divisors (see below), whose sum is σ = 6905808. Its totient is φ = 593920.

The previous prime is 2227439. The next prime is 2227441. The reversal of 2227440 is 447222.

It is an interprime number because it is at equal distance from previous prime (2227439) and next prime (2227441).

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2227440² = 9922977907200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2227441) 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, 4401 + ... + 4880.

2^2227440 is an apocalyptic number.

2227440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2227440 is an abundant number, since it is smaller than the sum of its proper divisors (4678368).

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

2227440 is a wasteful number, since it uses less digits than its factorization.

2227440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9297 (or 9291 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 2227440 is about 1492.4610547683. The cubic root of 2227440 is about 130.5976427527.

The spelling of 2227440 in words is "two million, two hundred twenty-seven thousand, four hundred forty".