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22432423 = 134094219
BaseRepresentation
bin101010110010…
…0101010100111
31120012200111111
41111210222213
521220314143
62120445451
7361446436
oct125445247
946180444
1022432423
11117318a2
127619887
134855630
142d9d11d
151e8199d
hex1564aa7

22432423 has 8 divisors (see below), whose sum is σ = 24222800. Its totient is φ = 20651328.

The previous prime is 22432411. The next prime is 22432433. The reversal of 22432423 is 32423422.

Adding to 22432423 its reverse (32423422), we get a palindrome (54855845).

Subtracting 22432423 from its reverse (32423422), we obtain a palindrome (9990999).

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 22432423 - 213 = 22424231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22432394 and 22432403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22432433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3208 + ... + 7426.

It is an arithmetic number, because the mean of its divisors is an integer number (3027850).

Almost surely, 222432423 is an apocalyptic number.

22432423 is a deficient number, since it is larger than the sum of its proper divisors (1790377).

22432423 is a wasteful number, since it uses less digits than its factorization.

22432423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641.

The product of its digits is 2304, while the sum is 22.

The square root of 22432423 is about 4736.2878924322. The cubic root of 22432423 is about 282.0278923839.

The spelling of 22432423 in words is "twenty-two million, four hundred thirty-two thousand, four hundred twenty-three".

Divisors: 1 13 409 4219 5317 54847 1725571 22432423