84227445 has 48 divisors (see below), whose sum is σ = 152635392. Its totient is φ = 44556480.

The previous prime is 84227443. The next prime is 84227459. The reversal of 84227445 is 54472248.

It is not a de Polignac number, because 84227445 - 2¹ = 84227443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84227443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219724 + ... + 220106.

It is an arithmetic number, because the mean of its divisors is an integer number (3179904).

Almost surely, 2^84227445 is an apocalyptic number.

It is an amenable number.

84227445 is a deficient number, since it is larger than the sum of its proper divisors (68407947).

84227445 is a wasteful number, since it uses less digits than its factorization.

84227445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 572 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 84227445 is about 9177.5511439599. The cubic root of 84227445 is about 438.3468354338.

It can be divided in two parts, 84 and 227445, that added together give a square (227529 = 477²).

The spelling of 84227445 in words is "eighty-four million, two hundred twenty-seven thousand, four hundred forty-five".