2206420635 has 16 divisors (see below), whose sum is σ = 3530935584. Its totient is φ = 1176536832.

The previous prime is 2206420631. The next prime is 2206420663. The reversal of 2206420635 is 5360246022.

It is not a de Polignac number, because 2206420635 - 2² = 2206420631 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2206420631) 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, 97999 + ... + 118391.

It is an arithmetic number, because the mean of its divisors is an integer number (220683474).

Almost surely, 2^2206420635 is an apocalyptic number.

2206420635 is a deficient number, since it is larger than the sum of its proper divisors (1324514949).

2206420635 is a wasteful number, since it uses less digits than its factorization.

2206420635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27614.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 2206420635 is about 46972.5519319528. The cubic root of 2206420635 is about 1301.8554638860.

Adding to 2206420635 its reverse (5360246022), we get a palindrome (7566666657).

The spelling of 2206420635 in words is "two billion, two hundred six million, four hundred twenty thousand, six hundred thirty-five".