2275245 has 48 divisors (see below), whose sum is σ = 4672512. Its totient is φ = 1002240.

The previous prime is 2275243. The next prime is 2275271. The reversal of 2275245 is 5425722.

2275245 = T₆ + T₇ + ... + T₂₃₈.

It is not a de Polignac number, because 2275245 - 2¹ = 2275243 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

2275245 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2275243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9649 + ... + 9881.

It is an arithmetic number, because the mean of its divisors is an integer number (97344).

2^2275245 is an apocalyptic number.

It is an amenable number.

2275245 is an abundant number, since it is smaller than the sum of its proper divisors (2397267).

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

2275245 is a wasteful number, since it uses less digits than its factorization.

2275245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 279 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 2275245 is about 1508.3915274225. The cubic root of 2275245 is about 131.5253267973.

It can be divided in two parts, 227524 and 5, that added together give a square (227529 = 477²).

The spelling of 2275245 in words is "two million, two hundred seventy-five thousand, two hundred forty-five".