2251907 has 16 divisors (see below), whose sum is σ = 2737152. Its totient is φ = 1811040.

The previous prime is 2251903. The next prime is 2251913. The reversal of 2251907 is 7091522.

It is not a de Polignac number, because 2251907 - 2² = 2251903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251901) 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, 11333 + ... + 11529.

It is an arithmetic number, because the mean of its divisors is an integer number (171072).

2^2251907 is an apocalyptic number.

2251907 is a deficient number, since it is larger than the sum of its proper divisors (485245).

2251907 is a wasteful number, since it uses less digits than its factorization.

2251907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 2251907 is about 1500.6355320330. The cubic root of 2251907 is about 131.0740796552.

The spelling of 2251907 in words is "two million, two hundred fifty-one thousand, nine hundred seven".