222022220022100 has 36 divisors (see below), whose sum is σ = 493539149589948. Its totient is φ = 86642817568000.

The previous prime is 222022220022067. The next prime is 222022220022107. The reversal of 222022220022100 is 1220022220222.

It can be written as a sum of positive squares in 6 ways, for example, as 31133677019536 + 190888543002564 = 5579756^2 + 13816242^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222022220022107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27075876391 + ... + 27075884590.

It is an arithmetic number, because the mean of its divisors is an integer number (13709420821943).

Almost surely, 2^{222022220022100} is an apocalyptic number.

222022220022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222022220022100 is an abundant number, since it is smaller than the sum of its proper divisors (271516929567848).

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

222022220022100 is a wasteful number, since it uses less digits than its factorization.

222022220022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54151761036 (or 54151761029 counting only the distinct ones).

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

Adding to 222022220022100 its reverse (1220022220222), we get a palindrome (223242242242322).

The spelling of 222022220022100 in words is "two hundred twenty-two trillion, twenty-two billion, two hundred twenty million, twenty-two thousand, one hundred".