22120220220222 has 32 divisors (see below), whose sum is σ = 44447533431840. Its totient is φ = 7338923642880.

The previous prime is 22120220220199. The next prime is 22120220220347. The reversal of 22120220220222 is 22202202202122.

It is a super-2 number, since 2×22120220220222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1317613 + ... + 6780600.

It is an arithmetic number, because the mean of its divisors is an integer number (1388985419745).

Almost surely, 2^{22120220220222} is an apocalyptic number.

22120220220222 is an abundant number, since it is smaller than the sum of its proper divisors (22327313211618).

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

22120220220222 is a wasteful number, since it uses less digits than its factorization.

22120220220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8100348.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22120220220222 its reverse (22202202202122), we get a palindrome (44322422422344).

The spelling of 22120220220222 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty million, two hundred twenty thousand, two hundred twenty-two".