2205427 has 16 divisors (see below), whose sum is σ = 2737152. Its totient is φ = 1733760.

The previous prime is 2205409. The next prime is 2205449. The reversal of 2205427 is 7245022.

It is not a de Polignac number, because 2205427 - 2¹⁵ = 2172659 is a prime.

It is a Duffinian number.

2205427 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2205398 and 2205407.

It is not an unprimeable number, because it can be changed into a prime (2205487) 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, 4902 + ... + 5332.

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

2^2205427 is an apocalyptic number.

2205427 is a deficient number, since it is larger than the sum of its proper divisors (531725).

2205427 is a wasteful number, since it uses less digits than its factorization.

2205427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 2205427 is about 1485.0680119106. The cubic root of 2205427 is about 130.1660009559.

The spelling of 2205427 in words is "two million, two hundred five thousand, four hundred twenty-seven".