222222122004 has 48 divisors (see below), whose sum is σ = 519400522368. Its totient is φ = 73948119168.

The previous prime is 222222121999. The next prime is 222222122009. The reversal of 222222122004 is 400221222222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222222121999) and next prime (222222122009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222122009) 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, 19407409 + ... + 19418855.

It is an arithmetic number, because the mean of its divisors is an integer number (10820844216).

Almost surely, 2^222222122004 is an apocalyptic number.

It is an amenable number.

222222122004 is an abundant number, since it is smaller than the sum of its proper divisors (297178400364).

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

222222122004 is a wasteful number, since it uses less digits than its factorization.

222222122004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14064 (or 14062 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 222222122004 its reverse (400221222222), we get a palindrome (622443344226).

The spelling of 222222122004 in words is "two hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-two thousand, four".