222420512202 has 32 divisors (see below), whose sum is σ = 508417699200. Its totient is φ = 63545223168.

The previous prime is 222420512137. The next prime is 222420512203. The reversal of 222420512202 is 202215024222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (222420512203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682674 + ... + 954402.

It is an arithmetic number, because the mean of its divisors is an integer number (15888053100).

Almost surely, 2^222420512202 is an apocalyptic number.

222420512202 is an abundant number, since it is smaller than the sum of its proper divisors (285997186998).

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

222420512202 is a wasteful number, since it uses less digits than its factorization.

222420512202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291230.

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 222420512202 its reverse (202215024222), we get a palindrome (424635536424).

The spelling of 222420512202 in words is "two hundred twenty-two billion, four hundred twenty million, five hundred twelve thousand, two hundred two".