2270405 has 8 divisors (see below), whose sum is σ = 2868000. Its totient is φ = 1720656.

The previous prime is 2270393. The next prime is 2270407. The reversal of 2270405 is 5040722.

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 2270405 - 2⁶ = 2270341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2270407) 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, 11855 + ... + 12044.

It is an arithmetic number, because the mean of its divisors is an integer number (358500).

2^2270405 is an apocalyptic number.

It is an amenable number.

2270405 is a deficient number, since it is larger than the sum of its proper divisors (597595).

2270405 is a wasteful number, since it uses less digits than its factorization.

2270405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23923.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 2270405 is about 1506.7863153082. The cubic root of 2270405 is about 131.4319984591.

The spelling of 2270405 in words is "two million, two hundred seventy thousand, four hundred five".