22222111002 has 64 divisors (see below), whose sum is σ = 55202568960. Its totient is φ = 5806992384.

The previous prime is 22222110979. The next prime is 22222111007. The reversal of 22222111002 is 20011122222.

It is not an unprimeable number, because it can be changed into a prime (22222111007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127183 + ... + 246210.

It is an arithmetic number, because the mean of its divisors is an integer number (862540140).

Almost surely, 2^22222111002 is an apocalyptic number.

22222111002 is an abundant number, since it is smaller than the sum of its proper divisors (32980457958).

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

22222111002 is a wasteful number, since it uses less digits than its factorization.

22222111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373527.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22222111002 its reverse (20011122222), we get a palindrome (42233233224).

The spelling of 22222111002 in words is "twenty-two billion, two hundred twenty-two million, one hundred eleven thousand, two".