22220540202055 has 32 divisors (see below), whose sum is σ = 29532739731264. Its totient is φ = 15946051516416.

The previous prime is 22220540202053. The next prime is 22220540202073. The reversal of 22220540202055 is 55020204502222.

It is a cyclic number.

It is not a de Polignac number, because 22220540202055 - 2¹ = 22220540202053 is a prime.

It is a super-2 number, since 2×22220540202055² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220540202053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19627314 + ... + 20728543.

It is an arithmetic number, because the mean of its divisors is an integer number (922898116602).

Almost surely, 2^{22220540202055} is an apocalyptic number.

22220540202055 is a deficient number, since it is larger than the sum of its proper divisors (7312199529209).

22220540202055 is a wasteful number, since it uses less digits than its factorization.

22220540202055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40356115.

The product of its (nonzero) digits is 32000, while the sum is 31.

Adding to 22220540202055 its reverse (55020204502222), we get a palindrome (77240744704277).

The spelling of 22220540202055 in words is "twenty-two trillion, two hundred twenty billion, five hundred forty million, two hundred two thousand, fifty-five".