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222445368 = 23323089519
BaseRepresentation
bin11010100001000…
…11111100111000
3120111120101200100
431100203330320
5423421222433
634023435400
75340516525
oct1520437470
9514511610
10222445368
11104623552
12625b5b60
13371157a2
142178614c
15147deb13
hexd423f38

222445368 has 24 divisors (see below), whose sum is σ = 602456400. Its totient is φ = 74148432.

The previous prime is 222445361. The next prime is 222445373. The reversal of 222445368 is 863544222.

222445368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×2224453683 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222445361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1544688 + ... + 1544831.

It is an arithmetic number, because the mean of its divisors is an integer number (25102350).

Almost surely, 2222445368 is an apocalyptic number.

It is an amenable number.

222445368 is an abundant number, since it is smaller than the sum of its proper divisors (380011032).

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

222445368 is a wasteful number, since it uses less digits than its factorization.

222445368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089531 (or 3089524 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 222445368 is about 14914.6025089507. The cubic root of 222445368 is about 605.9095378479.

The spelling of 222445368 in words is "two hundred twenty-two million, four hundred forty-five thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 3089519 6179038 9268557 12358076 18537114 24716152 27805671 37074228 55611342 74148456 111222684 222445368