84022471 has 4 divisors (see below), whose sum is σ = 90485752. Its totient is φ = 77559192.

The previous prime is 84022469. The next prime is 84022487. The reversal of 84022471 is 17422048.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84022471 - 2¹ = 84022469 is a prime.

It is a super-3 number, since 3×84022471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84022871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3231621 + ... + 3231646.

It is an arithmetic number, because the mean of its divisors is an integer number (22621438).

Almost surely, 2^84022471 is an apocalyptic number.

84022471 is a deficient number, since it is larger than the sum of its proper divisors (6463281).

84022471 is a wasteful number, since it uses less digits than its factorization.

84022471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463280.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 84022471 is about 9166.3772014902. The cubic root of 84022471 is about 437.9909629572.

The spelling of 84022471 in words is "eighty-four million, twenty-two thousand, four hundred seventy-one".