22120222220010 has 48 divisors (see below), whose sum is σ = 59642673251616. Its totient is φ = 5898725924688.

The previous prime is 22120222219873. The next prime is 22120222220011. The reversal of 22120222220010 is 1002222202122.

22120222220010 is a `hidden beast` number, since 2 + 212 + 0 + 222 + 220 + 0 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22120222220011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4551483624 + ... + 4551488483.

It is an arithmetic number, because the mean of its divisors is an integer number (1242555692742).

Almost surely, 2^{22120222220010} is an apocalyptic number.

22120222220010 is an abundant number, since it is smaller than the sum of its proper divisors (37522451031606).

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

22120222220010 is an equidigital number, since it uses as much as digits as its factorization.

22120222220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9102972129 (or 9102972117 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22120222220010 its reverse (1002222202122), we get a palindrome (23122444422132).

The spelling of 22120222220010 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty-two million, two hundred twenty thousand, ten".