221370844622 has 4 divisors (see below), whose sum is σ = 332056266936. Its totient is φ = 110685422310.

The previous prime is 221370844601. The next prime is 221370844633. The reversal of 221370844622 is 226448073122.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 221370844622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55342711154 + ... + 55342711157.

It is an arithmetic number, because the mean of its divisors is an integer number (83014066734).

Almost surely, 2^221370844622 is an apocalyptic number.

221370844622 is a deficient number, since it is larger than the sum of its proper divisors (110685422314).

221370844622 is a wasteful number, since it uses less digits than its factorization.

221370844622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110685422313.

The product of its (nonzero) digits is 258048, while the sum is 41.

The spelling of 221370844622 in words is "two hundred twenty-one billion, three hundred seventy million, eight hundred forty-four thousand, six hundred twenty-two".