221055602 has 8 divisors (see below), whose sum is σ = 331651200. Its totient is φ = 110505204.

The previous prime is 221055577. The next prime is 221055623. The reversal of 221055602 is 206550122.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6599 + ... + 22037.

It is an arithmetic number, because the mean of its divisors is an integer number (41456400).

Almost surely, 2^221055602 is an apocalyptic number.

221055602 is a deficient number, since it is larger than the sum of its proper divisors (110595598).

221055602 is a wasteful number, since it uses less digits than its factorization.

221055602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22600.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 221055602 is about 14867.9387273421. The cubic root of 221055602 is about 604.6450592042.

The spelling of 221055602 in words is "two hundred twenty-one million, fifty-five thousand, six hundred two".