221354024222 has 16 divisors (see below), whose sum is σ = 334731204000. Its totient is φ = 109779053280.

The previous prime is 221354024189. The next prime is 221354024231. The reversal of 221354024222 is 222420453122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312554 + ... + 735117.

It is an arithmetic number, because the mean of its divisors is an integer number (20920700250).

Almost surely, 2^221354024222 is an apocalyptic number.

221354024222 is a deficient number, since it is larger than the sum of its proper divisors (113377179778).

221354024222 is a wasteful number, since it uses less digits than its factorization.

221354024222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048531.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 221354024222 its reverse (222420453122), we get a palindrome (443774477344).

The spelling of 221354024222 in words is "two hundred twenty-one billion, three hundred fifty-four million, twenty-four thousand, two hundred twenty-two".