202222001222222 has 4 divisors (see below), whose sum is σ = 303333001833336. Its totient is φ = 101111000611110.

The previous prime is 202222001222177. The next prime is 202222001222249. The reversal of 202222001222222 is 222222100222202.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555500305554 + ... + 50555500305557.

It is an arithmetic number, because the mean of its divisors is an integer number (75833250458334).

Almost surely, 2^{202222001222222} is an apocalyptic number.

202222001222222 is a deficient number, since it is larger than the sum of its proper divisors (101111000611114).

202222001222222 is a wasteful number, since it uses less digits than its factorization.

202222001222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101111000611113.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 202222001222222 its reverse (222222100222202), we get a palindrome (424444101444424).

The spelling of 202222001222222 in words is "two hundred two trillion, two hundred twenty-two billion, one million, two hundred twenty-two thousand, two hundred twenty-two".