2270381 has 8 divisors (see below), whose sum is σ = 2380800. Its totient is φ = 2162160.

The previous prime is 2270341. The next prime is 2270383. The reversal of 2270381 is 1830722.

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

It is a cyclic number.

It is not a de Polignac number, because 2270381 - 2¹⁴ = 2253997 is a prime.

It is a super-2 number, since 2×2270381² = 10309259770322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2270383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1796 + ... + 2786.

It is an arithmetic number, because the mean of its divisors is an integer number (297600).

2^2270381 is an apocalyptic number.

It is an amenable number.

2270381 is a deficient number, since it is larger than the sum of its proper divisors (110419).

2270381 is an equidigital number, since it uses as much as digits as its factorization.

2270381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2270381 is about 1506.7783513178. The cubic root of 2270381 is about 131.4315353436.

The spelling of 2270381 in words is "two million, two hundred seventy thousand, three hundred eighty-one".