84058221 has 16 divisors (see below), whose sum is σ = 121383360. Its totient is φ = 51434880.

The previous prime is 84058213. The next prime is 84058243. The reversal of 84058221 is 12285048.

It is not a de Polignac number, because 84058221 - 2³ = 84058213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84050221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961 + ... + 13001.

It is an arithmetic number, because the mean of its divisors is an integer number (7586460).

Almost surely, 2^84058221 is an apocalyptic number.

It is an amenable number.

84058221 is a deficient number, since it is larger than the sum of its proper divisors (37325139).

84058221 is a wasteful number, since it uses less digits than its factorization.

84058221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12236.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 84058221 is about 9168.3270556847. The cubic root of 84058221 is about 438.0530731543.

The spelling of 84058221 in words is "eighty-four million, fifty-eight thousand, two hundred twenty-one".