84042224 has 40 divisors (see below), whose sum is σ = 186738048. Its totient is φ = 35893440.

The previous prime is 84042223. The next prime is 84042229. The reversal of 84042224 is 42224048.

It is a junction number, because it is equal to n+sod(n) for n = 84042193 and 84042202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84042223) 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, 35939 + ... + 38205.

Almost surely, 2^84042224 is an apocalyptic number.

It is an amenable number.

84042224 is an abundant number, since it is smaller than the sum of its proper divisors (102695824).

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

84042224 is a wasteful number, since it uses less digits than its factorization.

84042224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613 (or 2607 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 84042224 is about 9167.4546085596. The cubic root of 84042224 is about 438.0252829730.

The spelling of 84042224 in words is "eighty-four million, forty-two thousand, two hundred twenty-four".