2267391 has 8 divisors (see below), whose sum is σ = 3455104. Its totient is φ = 1295640.

The previous prime is 2267383. The next prime is 2267399. The reversal of 2267391 is 1937622.

It is an interprime number because it is at equal distance from previous prime (2267383) and next prime (2267399).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2267391 - 2³ = 2267383 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 (2267399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53965 + ... + 54006.

It is an arithmetic number, because the mean of its divisors is an integer number (431888).

2^2267391 is an apocalyptic number.

2267391 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2267391 is a deficient number, since it is larger than the sum of its proper divisors (1187713).

2267391 is a wasteful number, since it uses less digits than its factorization.

2267391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107981.

The product of its digits is 4536, while the sum is 30.

The square root of 2267391 is about 1505.7858413466. The cubic root of 2267391 is about 131.3738133240.

The spelling of 2267391 in words is "two million, two hundred sixty-seven thousand, three hundred ninety-one".