84054224 has 20 divisors (see below), whose sum is σ = 163190820. Its totient is φ = 41940480.

The previous prime is 84054197. The next prime is 84054227. The reversal of 84054224 is 42245048.

It can be written as a sum of positive squares in 2 ways, for example, as 58369600 + 25684624 = 7640^2 + 5068^2 .

It is a super-2 number, since 2×84054224² = 14130225144484352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84054227) 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, 2984 + ... + 13304.

It is an arithmetic number, because the mean of its divisors is an integer number (8159541).

Almost surely, 2^84054224 is an apocalyptic number.

It is an amenable number.

84054224 is a deficient number, since it is larger than the sum of its proper divisors (79136596).

84054224 is a wasteful number, since it uses less digits than its factorization.

84054224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10838 (or 10832 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 84054224 is about 9168.1090743948. The cubic root of 84054224 is about 438.0461298481.

The spelling of 84054224 in words is "eighty-four million, fifty-four thousand, two hundred twenty-four".