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222345342 = 23279156361
BaseRepresentation
bin11010100000010…
…11100001111110
3120111101022110200
431100023201332
5423410022332
634021344330
75336622102
oct1520134176
9514338420
10222345342
1110456538a
12625680a6
13370ac0bb
142175b902
15147c017c
hexd40b87e

222345342 has 24 divisors (see below), whose sum is σ = 487849440. Its totient is φ = 73176480.

The previous prime is 222345341. The next prime is 222345367. The reversal of 222345342 is 243543222.

It is a happy number.

222345342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2223453422 = 98874902218193928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222345341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76759 + ... + 79602.

It is an arithmetic number, because the mean of its divisors is an integer number (20327060).

Almost surely, 2222345342 is an apocalyptic number.

222345342 is an abundant number, since it is smaller than the sum of its proper divisors (265504098).

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

222345342 is a wasteful number, since it uses less digits than its factorization.

222345342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156448 (or 156445 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 222345342 is about 14911.2488410596. The cubic root of 222345342 is about 605.8187053669.

Adding to 222345342 its reverse (243543222), we get a palindrome (465888564).

The spelling of 222345342 in words is "two hundred twenty-two million, three hundred forty-five thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 79 158 237 474 711 1422 156361 312722 469083 938166 1407249 2814498 12352519 24705038 37057557 74115114 111172671 222345342