2267749 has 16 divisors (see below), whose sum is σ = 2673216. Its totient is φ = 1900800.

The previous prime is 2267737. The next prime is 2267773. The reversal of 2267749 is 9477622.

It is a happy number.

It is not a de Polignac number, because 2267749 - 2¹³ = 2259557 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 2¹⁹ + 6⁸ + 7³ + 7⁴ + 4 + 9⁵ .

2267749 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2267719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12439 + ... + 12619.

It is an arithmetic number, because the mean of its divisors is an integer number (167076).

2^2267749 is an apocalyptic number.

It is an amenable number.

2267749 is a deficient number, since it is larger than the sum of its proper divisors (405467).

2267749 is a wasteful number, since it uses less digits than its factorization.

2267749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276.

The product of its digits is 42336, while the sum is 37.

The square root of 2267749 is about 1505.9047114609. The cubic root of 2267749 is about 131.3807271955.

The spelling of 2267749 in words is "two million, two hundred sixty-seven thousand, seven hundred forty-nine".