221103084 has 24 divisors (see below), whose sum is σ = 518762608. Its totient is φ = 73293120.

The previous prime is 221103079. The next prime is 221103131. The reversal of 221103084 is 480301122.

It is a super-2 number, since 2×221103084² = 97773147508622112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221103084.

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, 48727 + ... + 53070.

Almost surely, 2^221103084 is an apocalyptic number.

It is an amenable number.

221103084 is an abundant number, since it is smaller than the sum of its proper divisors (297659524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221103084 is a wasteful number, since it uses less digits than its factorization.

221103084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101985 (or 101983 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 221103084 is about 14869.5354332272. The cubic root of 221103084 is about 604.6883480134.

The spelling of 221103084 in words is "two hundred twenty-one million, one hundred three thousand, eighty-four".