221474122 has 4 divisors (see below), whose sum is σ = 332211186. Its totient is φ = 110737060.

The previous prime is 221474101. The next prime is 221474161.

221474122 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., 176597521 + 44876601 = 13289^2 + 6699^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55368529 + ... + 55368532.

Almost surely, 2^221474122 is an apocalyptic number.

221474122 is a deficient number, since it is larger than the sum of its proper divisors (110737064).

221474122 is a wasteful number, since it uses less digits than its factorization.

221474122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110737063.

The product of its digits is 1792, while the sum is 25.

The square root of 221474122 is about 14882.0066523302. The cubic root of 221474122 is about 605.0264059690.

The spelling of 221474122 in words is "two hundred twenty-one million, four hundred seventy-four thousand, one hundred twenty-two".