221114402 has 4 divisors (see below), whose sum is σ = 331671606. Its totient is φ = 110557200.

The previous prime is 221114371. The next prime is 221114417. The reversal of 221114402 is 204411122.

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., 160757041 + 60357361 = 12679^2 + 7769^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55278599 + ... + 55278602.

Almost surely, 2^221114402 is an apocalyptic number.

221114402 is a deficient number, since it is larger than the sum of its proper divisors (110557204).

221114402 is a wasteful number, since it uses less digits than its factorization.

221114402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110557203.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 221114402 is about 14869.9160051427. The cubic root of 221114402 is about 604.6986655929.

Adding to 221114402 its reverse (204411122), we get a palindrome (425525524).

The spelling of 221114402 in words is "two hundred twenty-one million, one hundred fourteen thousand, four hundred two".