22001200222222 has 128 divisors (see below), whose sum is σ = 39017830408704. Its totient is φ = 9211471331328.

The previous prime is 22001200222217. The next prime is 22001200222237. The reversal of 22001200222222 is 22222200210022.

It is a super-2 number, since 2×22001200222222² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22001200222222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1020595068 + ... + 1020616624.

It is an arithmetic number, because the mean of its divisors is an integer number (304826800068).

Almost surely, 2^{22001200222222} is an apocalyptic number.

22001200222222 is a deficient number, since it is larger than the sum of its proper divisors (17016630186482).

22001200222222 is a wasteful number, since it uses less digits than its factorization.

22001200222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22382.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22001200222222 its reverse (22222200210022), we get a palindrome (44223400432244).

The spelling of 22001200222222 in words is "twenty-two trillion, one billion, two hundred million, two hundred twenty-two thousand, two hundred twenty-two".