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22344689 = 211105899
BaseRepresentation
bin101010100111…
…1001111110001
31120001020011002
41111033033301
521210012224
62114531345
7360632603
oct125171761
946036132
1022344689
1111681994
127596b55
134824713
142d79173
151e659ae
hex154f3f1

22344689 has 4 divisors (see below), whose sum is σ = 22450800. Its totient is φ = 22238580.

The previous prime is 22344683. The next prime is 22344691. The reversal of 22344689 is 98644322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22344689 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22344683) 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, 52739 + ... + 53160.

It is an arithmetic number, because the mean of its divisors is an integer number (5612700).

Almost surely, 222344689 is an apocalyptic number.

It is an amenable number.

22344689 is a deficient number, since it is larger than the sum of its proper divisors (106111).

22344689 is a wasteful number, since it uses less digits than its factorization.

22344689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106110.

The product of its digits is 82944, while the sum is 38.

The square root of 22344689 is about 4727.0169240230. The cubic root of 22344689 is about 281.6597383230.

The spelling of 22344689 in words is "twenty-two million, three hundred forty-four thousand, six hundred eighty-nine".

Divisors: 1 211 105899 22344689