221224242422122 has 4 divisors (see below), whose sum is σ = 331836363633186. Its totient is φ = 110612121211060.

The previous prime is 221224242422069. The next prime is 221224242422143.

221224242422122 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in only one way, i.e., 198183580017361 + 23040662404761 = 14077769^2 + 4800069^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55306060605529 + ... + 55306060605532.

Almost surely, 2^{221224242422122} is an apocalyptic number.

221224242422122 is a deficient number, since it is larger than the sum of its proper divisors (110612121211064).

221224242422122 is a wasteful number, since it uses less digits than its factorization.

221224242422122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110612121211063.

The product of its digits is 65536, while the sum is 34.

The spelling of 221224242422122 in words is "two hundred twenty-one trillion, two hundred twenty-four billion, two hundred forty-two million, four hundred twenty-two thousand, one hundred twenty-two".