222121200022222 has 8 divisors (see below), whose sum is σ = 333185656608000. Its totient is φ = 111059314486224.

The previous prime is 222121200022213. The next prime is 222121200022231. The reversal of 222121200022222 is 222220002121222.

222121200022222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222121200022213) and next prime (222121200022231).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×222121200022222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222121200022193 and 222121200022202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642546447 + ... + 642892042.

It is an arithmetic number, because the mean of its divisors is an integer number (41648207076000).

Almost surely, 2^{222121200022222} is an apocalyptic number.

222121200022222 is a deficient number, since it is larger than the sum of its proper divisors (111064456585778).

222121200022222 is a wasteful number, since it uses less digits than its factorization.

222121200022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285524890.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 222121200022222 its reverse (222220002121222), we get a palindrome (444341202143444).

The spelling of 222121200022222 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, two hundred million, twenty-two thousand, two hundred twenty-two".