221152006 has 16 divisors (see below), whose sum is σ = 339519600. Its totient is φ = 108009088.

The previous prime is 221151977. The next prime is 221152013. The reversal of 221152006 is 600251122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7290 + ... + 22258.

It is an arithmetic number, because the mean of its divisors is an integer number (21219975).

Almost surely, 2^221152006 is an apocalyptic number.

221152006 is a deficient number, since it is larger than the sum of its proper divisors (118367594).

221152006 is a wasteful number, since it uses less digits than its factorization.

221152006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15143.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 221152006 is about 14871.1803835472. The cubic root of 221152006 is about 604.7329431728.

The spelling of 221152006 in words is "two hundred twenty-one million, one hundred fifty-two thousand, six".