2272340 has 24 divisors (see below), whose sum is σ = 5453952. Its totient is φ = 779040.

The previous prime is 2272337. The next prime is 2272351. The reversal of 2272340 is 432722.

2272340 = T₂₁₉ + T₂₂₀ + ... + T₂₈₈.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7976 + ... + 8255.

It is an arithmetic number, because the mean of its divisors is an integer number (227248).

2^2272340 is an apocalyptic number.

2272340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2272340 is an abundant number, since it is smaller than the sum of its proper divisors (3181612).

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

2272340 is a wasteful number, since it uses less digits than its factorization.

2272340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16247 (or 16245 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2272340 is about 1507.4282735839. The cubic root of 2272340 is about 131.4693264103.

The spelling of 2272340 in words is "two million, two hundred seventy-two thousand, three hundred forty".