221444393444122 has 8 divisors (see below), whose sum is σ = 332166667015872. Its totient is φ = 110722171105500.

The previous prime is 221444393444117. The next prime is 221444393444147.

221444393444122 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×221444393444122² (a number of 29 digits) contains 22 as substring.

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, 955597 + ... + 21066607.

It is an arithmetic number, because the mean of its divisors is an integer number (41520833376984).

Almost surely, 2^{221444393444122} is an apocalyptic number.

221444393444122 is a deficient number, since it is larger than the sum of its proper divisors (110722273571750).

221444393444122 is a wasteful number, since it uses less digits than its factorization.

221444393444122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25616564.

The product of its digits is 5308416, while the sum is 49.

The spelling of 221444393444122 in words is "two hundred twenty-one trillion, four hundred forty-four billion, three hundred ninety-three million, four hundred forty-four thousand, one hundred twenty-two".