2275247 has 6 divisors (see below), whose sum is σ = 2463912. Its totient is φ = 2100072.

The previous prime is 2275243. The next prime is 2275271. The reversal of 2275247 is 7425722.

It is not a de Polignac number, because 2275247 - 2² = 2275243 is a prime.

It is a super-2 number, since 2×2275247² = 10353497822018, which contains 22 as substring.

It is a Duffinian 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 polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6563 + ... + 6900.

It is an arithmetic number, because the mean of its divisors is an integer number (410652).

2^2275247 is an apocalyptic number.

2275247 is a deficient number, since it is larger than the sum of its proper divisors (188665).

2275247 is a wasteful number, since it uses less digits than its factorization.

2275247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13489 (or 13476 counting only the distinct ones).

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

The square root of 2275247 is about 1508.3921903802. The cubic root of 2275247 is about 131.5253653354.

The spelling of 2275247 in words is "two million, two hundred seventy-five thousand, two hundred forty-seven".