221422177107426 has 8 divisors (see below), whose sum is σ = 442844354214864. Its totient is φ = 73807392369140.

The previous prime is 221422177107401. The next prime is 221422177107457. The reversal of 221422177107426 is 624701771224122.

It is a sphenic number, since it is the product of 3 distinct primes.

221422177107426 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18451848092280 + ... + 18451848092291.

It is an arithmetic number, because the mean of its divisors is an integer number (55355544276858).

Almost surely, 2^{221422177107426} is an apocalyptic number.

221422177107426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221422177107426 is a wasteful number, since it uses less digits than its factorization.

221422177107426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36903696184576.

The product of its (nonzero) digits is 1053696, while the sum is 48.

The spelling of 221422177107426 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, one hundred seventy-seven million, one hundred seven thousand, four hundred twenty-six".