222162210550 has 48 divisors (see below), whose sum is σ = 472358552832. Its totient is φ = 76152938400.

The previous prime is 222162210533. The next prime is 222162210583. The reversal of 222162210550 is 55012261222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1556695 + ... + 1693405.

It is an arithmetic number, because the mean of its divisors is an integer number (9840803184).

Almost surely, 2^222162210550 is an apocalyptic number.

222162210550 is an abundant number, since it is smaller than the sum of its proper divisors (250196342282).

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

222162210550 is a wasteful number, since it uses less digits than its factorization.

222162210550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141373 (or 141368 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 222162210550 its reverse (55012261222), we get a palindrome (277174471772).

The spelling of 222162210550 in words is "two hundred twenty-two billion, one hundred sixty-two million, two hundred ten thousand, five hundred fifty".