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84222816 = 253877321
BaseRepresentation
bin1010000010100…
…10001101100000
312212110221222120
411001102031200
5133030112231
612205104240
72041611366
oct501221540
9185427876
1084222816
11435a5937
1224258080
13145ab4b2
14b285636
1575d9d96
hex5052360

84222816 has 24 divisors (see below), whose sum is σ = 221085144. Its totient is φ = 28074240.

The previous prime is 84222797. The next prime is 84222821. The reversal of 84222816 is 61822248.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438565 + ... + 438756.

It is an arithmetic number, because the mean of its divisors is an integer number (9211881).

Almost surely, 284222816 is an apocalyptic number.

It is an amenable number.

84222816 is an abundant number, since it is smaller than the sum of its proper divisors (136862328).

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

84222816 is a wasteful number, since it uses less digits than its factorization.

84222816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877334 (or 877326 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 84222816 is about 9177.2989490372. The cubic root of 84222816 is about 438.3388050162.

The spelling of 84222816 in words is "eighty-four million, two hundred twenty-two thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 877321 1754642 2631963 3509284 5263926 7018568 10527852 14037136 21055704 28074272 42111408 84222816