84350228 has 6 divisors (see below), whose sum is σ = 147612906. Its totient is φ = 42175112.

The previous prime is 84350221. The next prime is 84350257. The reversal of 84350228 is 82205348.

It can be written as a sum of positive squares in only one way, i.e., 76352644 + 7997584 = 8738^2 + 2828^2 .

It is a super-2 number, since 2×84350228² = 14229921927303968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84350194 and 84350203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84350221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10543775 + ... + 10543782.

It is an arithmetic number, because the mean of its divisors is an integer number (24602151).

Almost surely, 2^84350228 is an apocalyptic number.

It is an amenable number.

84350228 is a deficient number, since it is larger than the sum of its proper divisors (63262678).

84350228 is a wasteful number, since it uses less digits than its factorization.

84350228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21087561 (or 21087559 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 84350228 is about 9184.2380195637. The cubic root of 84350228 is about 438.5597328165.

The spelling of 84350228 in words is "eighty-four million, three hundred fifty thousand, two hundred twenty-eight".