2272745 has 8 divisors (see below), whose sum is σ = 2846016. Its totient is φ = 1739056.

The previous prime is 2272733. The next prime is 2272757. The reversal of 2272745 is 5472722.

It is an interprime number because it is at equal distance from previous prime (2272733) and next prime (2272757).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2272745 - 2⁴ = 2272729 is a prime.

It is a Duffinian 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, 9767 + ... + 9996.

It is an arithmetic number, because the mean of its divisors is an integer number (355752).

2^2272745 is an apocalyptic number.

It is an amenable number.

2272745 is a deficient number, since it is larger than the sum of its proper divisors (573271).

2272745 is a wasteful number, since it uses less digits than its factorization.

2272745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19791.

The product of its digits is 7840, while the sum is 29.

The square root of 2272745 is about 1507.5626023486. The cubic root of 2272745 is about 131.4771365552.

It can be divided in two parts, 2 and 272745, that multiplied together give a triangular number (545490 = T₁₀₄₄).

The spelling of 2272745 in words is "two million, two hundred seventy-two thousand, seven hundred forty-five".