202222000044 has 36 divisors (see below), whose sum is σ = 527661709120. Its totient is φ = 65232902880.

The previous prime is 202222000031. The next prime is 202222000061. The reversal of 202222000044 is 440000222202.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 202221999990 and 202222000026.

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 in 11 ways as a sum of consecutive naturals, for example, 90600139 + ... + 90602370.

Almost surely, 2^202222000044 is an apocalyptic number.

It is an amenable number.

202222000044 is an abundant number, since it is smaller than the sum of its proper divisors (325439709076).

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

202222000044 is a wasteful number, since it uses less digits than its factorization.

202222000044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181202550 (or 181202545 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 202222000044 its reverse (440000222202), we get a palindrome (642222222246).

The spelling of 202222000044 in words is "two hundred two billion, two hundred twenty-two million, forty-four", and thus it is an aban number.