222121023302 has 4 divisors (see below), whose sum is σ = 333181534956. Its totient is φ = 111060511650.

The previous prime is 222121023227. The next prime is 222121023347. The reversal of 222121023302 is 203320121222.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55530255824 + ... + 55530255827.

It is an arithmetic number, because the mean of its divisors is an integer number (83295383739).

Almost surely, 2^222121023302 is an apocalyptic number.

222121023302 is a deficient number, since it is larger than the sum of its proper divisors (111060511654).

222121023302 is a wasteful number, since it uses less digits than its factorization.

222121023302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111060511653.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222121023302 its reverse (203320121222), we get a palindrome (425441144524).

The spelling of 222121023302 in words is "two hundred twenty-two billion, one hundred twenty-one million, twenty-three thousand, three hundred two".