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222321430 = 2522232143
BaseRepresentation
bin11010100000001…
…01101100010110
3120111100002200001
431100011230112
5423403241210
634021041514
75336462302
oct1520055426
9514302601
10222321430
11104549421
126255629a
13370a1256
1421752d02
15147b803a
hexd405b16

222321430 has 8 divisors (see below), whose sum is σ = 400178592. Its totient is φ = 88928568.

The previous prime is 222321409. The next prime is 222321431. The reversal of 222321430 is 34123222.

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

It is a junction number, because it is equal to n+sod(n) for n = 222321398 and 222321407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222321431) 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, 11116062 + ... + 11116081.

It is an arithmetic number, because the mean of its divisors is an integer number (50022324).

Almost surely, 2222321430 is an apocalyptic number.

222321430 is a deficient number, since it is larger than the sum of its proper divisors (177857162).

222321430 is a wasteful number, since it uses less digits than its factorization.

222321430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22232150.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 222321430 is about 14910.4470087251. The cubic root of 222321430 is about 605.7969871154.

Adding to 222321430 its reverse (34123222), we get a palindrome (256444652).

It can be divided in two parts, 2223 and 21430, that added together give a triangular number (23653 = T217).

The spelling of 222321430 in words is "two hundred twenty-two million, three hundred twenty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 22232143 44464286 111160715 222321430