2205102402 has 48 divisors (see below), whose sum is σ = 5089174272. Its totient is φ = 687638400.

The previous prime is 2205102371. The next prime is 2205102407. The reversal of 2205102402 is 2042015022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2205102407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29527 + ... + 72677.

It is an arithmetic number, because the mean of its divisors is an integer number (106024464).

Almost surely, 2^2205102402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2205102402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2544587136).

2205102402 is an abundant number, since it is smaller than the sum of its proper divisors (2884071870).

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

2205102402 is a wasteful number, since it uses less digits than its factorization.

2205102402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43343 (or 43340 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2205102402 is about 46958.5178854699. The cubic root of 2205102402 is about 1301.5961463450.

Adding to 2205102402 its reverse (2042015022), we get a palindrome (4247117424).

The spelling of 2205102402 in words is "two billion, two hundred five million, one hundred two thousand, four hundred two".