221432002 has 8 divisors (see below), whose sum is σ = 362343312. Its totient is φ = 100650900.

The previous prime is 221431997. The next prime is 221432011. The reversal of 221432002 is 200234122.

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

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, 5032524 + ... + 5032567.

It is an arithmetic number, because the mean of its divisors is an integer number (45292914).

Almost surely, 2^221432002 is an apocalyptic number.

221432002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221432002 is a deficient number, since it is larger than the sum of its proper divisors (140911310).

221432002 is a wasteful number, since it uses less digits than its factorization.

221432002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065104.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 221432002 is about 14880.5914532992. The cubic root of 221432002 is about 604.9880488498.

Adding to 221432002 its reverse (200234122), we get a palindrome (421666124).

The spelling of 221432002 in words is "two hundred twenty-one million, four hundred thirty-two thousand, two".