222221101222202 has 4 divisors (see below), whose sum is σ = 333331651833306. Its totient is φ = 111110550611100.

The previous prime is 222221101222147. The next prime is 222221101222207. The reversal of 222221101222202 is 202222101122222.

222221101222202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 141387533641201 + 80833567581001 = 11890649^2 + 8990749^2 .

It is not an unprimeable number, because it can be changed into a prime (222221101222207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555275305549 + ... + 55555275305552.

Almost surely, 2^{222221101222202} is an apocalyptic number.

222221101222202 is a deficient number, since it is larger than the sum of its proper divisors (111110550611104).

222221101222202 is a wasteful number, since it uses less digits than its factorization.

222221101222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111110550611103.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 222221101222202 its reverse (202222101122222), we get a palindrome (424443202344424).

The spelling of 222221101222202 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred one million, two hundred twenty-two thousand, two hundred two".