22220001002 has 8 divisors (see below), whose sum is σ = 33827464416. Its totient is φ = 10944179532.

The previous prime is 22220000993. The next prime is 22220001049. The reversal of 22220001002 is 20010002222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82910318 + ... + 82910585.

It is an arithmetic number, because the mean of its divisors is an integer number (4228433052).

Almost surely, 2^22220001002 is an apocalyptic number.

22220001002 is a deficient number, since it is larger than the sum of its proper divisors (11607463414).

22220001002 is a wasteful number, since it uses less digits than its factorization.

22220001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165820972.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22220001002 its reverse (20010002222), we get a palindrome (42230003224).

The spelling of 22220001002 in words is "twenty-two billion, two hundred twenty million, one thousand, two".