2205420402 has 32 divisors (see below), whose sum is σ = 4662313920. Its totient is φ = 693550080.

The previous prime is 2205420379. The next prime is 2205420403. The reversal of 2205420402 is 2040245022.

It is not an unprimeable number, because it can be changed into a prime (2205420403) 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, 12663 + ... + 67610.

It is an arithmetic number, because the mean of its divisors is an integer number (145697310).

Almost surely, 2^2205420402 is an apocalyptic number.

2205420402 is an abundant number, since it is smaller than the sum of its proper divisors (2456893518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2205420402 is a wasteful number, since it uses less digits than its factorization.

2205420402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80538.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2205420402 is about 46961.9037305772. The cubic root of 2205420402 is about 1301.6587114938.

Adding to 2205420402 its reverse (2040245022), we get a palindrome (4245665424).

The spelling of 2205420402 in words is "two billion, two hundred five million, four hundred twenty thousand, four hundred two".