22220002229 has 4 divisors (see below), whose sum is σ = 22501268160. Its totient is φ = 21938736300.

The previous prime is 22220002199. The next prime is 22220002241. The reversal of 22220002229 is 92220002222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22220002229 - 2¹² = 22219998133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220002249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140632847 + ... + 140633004.

It is an arithmetic number, because the mean of its divisors is an integer number (5625317040).

Almost surely, 2^22220002229 is an apocalyptic number.

It is an amenable number.

22220002229 is a deficient number, since it is larger than the sum of its proper divisors (281265931).

22220002229 is an equidigital number, since it uses as much as digits as its factorization.

22220002229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281265930.

The product of its (nonzero) digits is 1152, while the sum is 23.

The spelling of 22220002229 in words is "twenty-two billion, two hundred twenty million, two thousand, two hundred twenty-nine".