2254909 has 4 divisors (see below), whose sum is σ = 2327680. Its totient is φ = 2182140.

The previous prime is 2254907. The next prime is 2254927. The reversal of 2254909 is 9094522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2254909 - 2¹ = 2254907 is a prime.

It is a super-2 number, since 2×2254909² = 10169229196562, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 72739 = 2254909 / (2 + 2 + 5 + 4 + 9 + 0 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2254907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36339 + ... + 36400.

It is an arithmetic number, because the mean of its divisors is an integer number (581920).

2^2254909 is an apocalyptic number.

It is an amenable number.

2254909 is a deficient number, since it is larger than the sum of its proper divisors (72771).

2254909 is an equidigital number, since it uses as much as digits as its factorization.

2254909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72770.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2254909 is about 1501.6354417767. The cubic root of 2254909 is about 131.1322984103.

The spelling of 2254909 in words is "two million, two hundred fifty-four thousand, nine hundred nine".