2251449 has 16 divisors (see below), whose sum is σ = 3392640. Its totient is φ = 1475280.

The previous prime is 2251427. The next prime is 2251451. The reversal of 2251449 is 9441522.

2251449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2251449 - 2¹³ = 2243257 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.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 964 + ... + 2330.

It is an arithmetic number, because the mean of its divisors is an integer number (212040).

2^2251449 is an apocalyptic number.

It is an amenable number.

2251449 is a deficient number, since it is larger than the sum of its proper divisors (1141191).

2251449 is a wasteful number, since it uses less digits than its factorization.

2251449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437 (or 1431 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2251449 is about 1500.4829222620. The cubic root of 2251449 is about 131.0651929651.

The spelling of 2251449 in words is "two million, two hundred fifty-one thousand, four hundred forty-nine".