221414002 has 4 divisors (see below), whose sum is σ = 332121006. Its totient is φ = 110707000.

The previous prime is 221413999. The next prime is 221414003. The reversal of 221414002 is 200414122.

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., 216119401 + 5294601 = 14701^2 + 2301^2 .

It is not an unprimeable number, because it can be changed into a prime (221414003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55353499 + ... + 55353502.

Almost surely, 2^221414002 is an apocalyptic number.

221414002 is a deficient number, since it is larger than the sum of its proper divisors (110707004).

221414002 is a wasteful number, since it uses less digits than its factorization.

221414002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110707003.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 221414002 is about 14879.9866263381. The cubic root of 221414002 is about 604.9716554350.

Adding to 221414002 its reverse (200414122), we get a palindrome (421828124).

The spelling of 221414002 in words is "two hundred twenty-one million, four hundred fourteen thousand, two".