22002220205 has 16 divisors (see below), whose sum is σ = 30178203264. Its totient is φ = 15085371840.

The previous prime is 22002220183. The next prime is 22002220211. The reversal of 22002220205 is 50202220022.

It is a happy number.

It is not a de Polignac number, because 22002220205 - 2⁸ = 22002219949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286790 + ... + 355320.

It is an arithmetic number, because the mean of its divisors is an integer number (1886137704).

Almost surely, 2^22002220205 is an apocalyptic number.

It is an amenable number.

22002220205 is a deficient number, since it is larger than the sum of its proper divisors (8175983059).

22002220205 is an equidigital number, since it uses as much as digits as its factorization.

22002220205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77716.

The product of its (nonzero) digits is 320, while the sum is 17.

Adding to 22002220205 its reverse (50202220022), we get a palindrome (72204440227).

The spelling of 22002220205 in words is "twenty-two billion, two million, two hundred twenty thousand, two hundred five".