221084046 has 32 divisors (see below), whose sum is σ = 495818400. Its totient is φ = 73016640.

The previous prime is 221084011. The next prime is 221084089. The reversal of 221084046 is 640480122.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12895 + ... + 24666.

It is an arithmetic number, because the mean of its divisors is an integer number (15494325).

Almost surely, 2^221084046 is an apocalyptic number.

221084046 is an abundant number, since it is smaller than the sum of its proper divisors (274734354).

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

221084046 is a wasteful number, since it uses less digits than its factorization.

221084046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37681 (or 37675 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 221084046 is about 14868.8952514973. The cubic root of 221084046 is about 604.6709920257.

The spelling of 221084046 in words is "two hundred twenty-one million, eighty-four thousand, forty-six".