84011228 has 24 divisors (see below), whose sum is σ = 168333312. Its totient is φ = 35938224.

The previous prime is 84011227. The next prime is 84011237. The reversal of 84011228 is 82211048.

It is a junction number, because it is equal to n+sod(n) for n = 84011197 and 84011206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84011227) 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, 14525 + ... + 19467.

It is an arithmetic number, because the mean of its divisors is an integer number (7013888).

Almost surely, 2^84011228 is an apocalyptic number.

It is an amenable number.

84011228 is an abundant number, since it is smaller than the sum of its proper divisors (84322084).

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

84011228 is a wasteful number, since it uses less digits than its factorization.

84011228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561 (or 5559 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 84011228 is about 9165.7639070620. The cubic root of 84011228 is about 437.9714263103.

The spelling of 84011228 in words is "eighty-four million, eleven thousand, two hundred twenty-eight".