84227140 has 24 divisors (see below), whose sum is σ = 177089472. Its totient is φ = 33650400.

The previous prime is 84227131. The next prime is 84227141. The reversal of 84227140 is 4172248.

It is a super-2 number, since 2×84227140² = 14188422225159200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84227099 and 84227108.

It is not an unprimeable number, because it can be changed into a prime (84227141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19017 + ... + 23023.

It is an arithmetic number, because the mean of its divisors is an integer number (7378728).

Almost surely, 2^84227140 is an apocalyptic number.

It is an amenable number.

84227140 is an abundant number, since it is smaller than the sum of its proper divisors (92862332).

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

84227140 is a wasteful number, since it uses less digits than its factorization.

84227140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067 (or 5065 counting only the distinct ones).

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

The square root of 84227140 is about 9177.5345273118. The cubic root of 84227140 is about 438.3463063270.

Adding to 84227140 its reverse (4172248), we get a palindrome (88399388).

The spelling of 84227140 in words is "eighty-four million, two hundred twenty-seven thousand, one hundred forty".