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8222442 = 231370407
BaseRepresentation
bin11111010111011011101010
3120110202001220
4133113123222
54101104232
6452122510
7126614064
oct37273352
916422056
108222442
114706708
122906436
13191b767
141140734
15ac642c
hex7d76ea

8222442 has 8 divisors (see below), whose sum is σ = 16444896. Its totient is φ = 2740812.

The previous prime is 8222437. The next prime is 8222447. The reversal of 8222442 is 2442228.

It is an interprime number because it is at equal distance from previous prime (8222437) and next prime (8222447).

It is a sphenic number, since it is the product of 3 distinct primes.

8222442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (8222447) 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, 685198 + ... + 685209.

It is an arithmetic number, because the mean of its divisors is an integer number (2055612).

Almost surely, 28222442 is an apocalyptic number.

8222442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8222442 is a wasteful number, since it uses less digits than its factorization.

8222442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370412.

The product of its digits is 2048, while the sum is 24.

The square root of 8222442 is about 2867.4800783964. The cubic root of 8222442 is about 201.8367631990.

The spelling of 8222442 in words is "eight million, two hundred twenty-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 1370407 2740814 4111221 8222442