2290427 has 4 divisors (see below), whose sum is σ = 2425176. Its totient is φ = 2155680.

The previous prime is 2290423. The next prime is 2290429. The reversal of 2290427 is 7240922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2290427 - 2² = 2290423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2290396 and 2290405.

It is not an unprimeable number, because it can be changed into a prime (2290423) 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, 67349 + ... + 67382.

It is an arithmetic number, because the mean of its divisors is an integer number (606294).

2^2290427 is an apocalyptic number.

2290427 is a deficient number, since it is larger than the sum of its proper divisors (134749).

2290427 is a wasteful number, since it uses less digits than its factorization.

2290427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134748.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2290427 is about 1513.4156732372. The cubic root of 2290427 is about 131.8172210069.

The spelling of 2290427 in words is "two million, two hundred ninety thousand, four hundred twenty-seven".