221013224204402 has 8 divisors (see below), whose sum is σ = 378879812921856. Its totient is φ = 94719953230452.

The previous prime is 221013224204387. The next prime is 221013224204419. The reversal of 221013224204402 is 204402422310122.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7893329435858 + ... + 7893329435885.

It is an arithmetic number, because the mean of its divisors is an integer number (47359976615232).

Almost surely, 2^{221013224204402} is an apocalyptic number.

221013224204402 is a deficient number, since it is larger than the sum of its proper divisors (157866588717454).

221013224204402 is a wasteful number, since it uses less digits than its factorization.

221013224204402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15786658871752.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 221013224204402 its reverse (204402422310122), we get a palindrome (425415646514524).

The spelling of 221013224204402 in words is "two hundred twenty-one trillion, thirteen billion, two hundred twenty-four million, two hundred four thousand, four hundred two".