22002220112 has 10 divisors (see below), whose sum is σ = 42629301498. Its totient is φ = 11001110048.

The previous prime is 22002220109. The next prime is 22002220127. The reversal of 22002220112 is 21102220022.

It can be written as a sum of positive squares in only one way, i.e., 20821335616 + 1180884496 = 144296^2 + 34364^2 .

It is a super-3 number, since 3×22002220112³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687569363 + ... + 687569394.

Almost surely, 2^22002220112 is an apocalyptic number.

It is an amenable number.

22002220112 is a deficient number, since it is larger than the sum of its proper divisors (20627081386).

22002220112 is a wasteful number, since it uses less digits than its factorization.

22002220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375138765 (or 1375138759 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22002220112 its reverse (21102220022), we get a palindrome (43104440134).

The spelling of 22002220112 in words is "twenty-two billion, two million, two hundred twenty thousand, one hundred twelve".