222222404052 has 36 divisors (see below), whose sum is σ = 612795115296. Its totient is φ = 67340122320.

The previous prime is 222222403987. The next prime is 222222404059. The reversal of 222222404052 is 250404222222.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222404059) 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, 280583448 + ... + 280584239.

It is an arithmetic number, because the mean of its divisors is an integer number (17022086536).

Almost surely, 2^222222404052 is an apocalyptic number.

222222404052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222222404052 is an abundant number, since it is smaller than the sum of its proper divisors (390572711244).

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

222222404052 is a wasteful number, since it uses less digits than its factorization.

222222404052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561167708 (or 561167703 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

Adding to 222222404052 its reverse (250404222222), we get a palindrome (472626626274).

The spelling of 222222404052 in words is "two hundred twenty-two billion, two hundred twenty-two million, four hundred four thousand, fifty-two".