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222302423 = 7157202277
BaseRepresentation
bin11010100000000…
…01000011010111
3120111022010121002
431100001003113
5423402134143
634020413515
75336353010
oct1520010327
9514263532
10222302423
11104536112
126254729b
13370956c5
142174a007
15147b25b8
hexd4010d7

222302423 has 8 divisors (see below), whose sum is σ = 255679392. Its totient is φ = 189330336.

The previous prime is 222302419. The next prime is 222302453. The reversal of 222302423 is 324203222.

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

It is a cyclic number.

It is not a de Polignac number, because 222302423 - 22 = 222302419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222302395 and 222302404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222302453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100040 + ... + 102237.

It is an arithmetic number, because the mean of its divisors is an integer number (31959924).

Almost surely, 2222302423 is an apocalyptic number.

222302423 is a deficient number, since it is larger than the sum of its proper divisors (33376969).

222302423 is a wasteful number, since it uses less digits than its factorization.

222302423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202441.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 222302423 is about 14909.8096231977. The cubic root of 222302423 is about 605.7797227556.

Adding to 222302423 its reverse (324203222), we get a palindrome (546505645).

The spelling of 222302423 in words is "two hundred twenty-two million, three hundred two thousand, four hundred twenty-three".

Divisors: 1 7 157 1099 202277 1415939 31757489 222302423