222202010021004 has 96 divisors (see below), whose sum is σ = 621873729792000. Its totient is φ = 68206675192128.

The previous prime is 222202010021003. The next prime is 222202010021083. The reversal of 222202010021004 is 400120010202222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (222202010021003) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 188270364 + ... + 189446915.

It is an arithmetic number, because the mean of its divisors is an integer number (6477851352000).

Almost surely, 2^{222202010021004} is an apocalyptic number.

It is an amenable number.

222202010021004 is an abundant number, since it is smaller than the sum of its proper divisors (399671719770996).

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

222202010021004 is a wasteful number, since it uses less digits than its factorization.

222202010021004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377717724 (or 377717716 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222202010021004 its reverse (400120010202222), we get a palindrome (622322020223226).

The spelling of 222202010021004 in words is "two hundred twenty-two trillion, two hundred two billion, ten million, twenty-one thousand, four".