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22327245 = 345291901
BaseRepresentation
bin101010100101…
…0111111001101
31120000100020000
41111022333031
521203432440
62114314513
7360531003
oct125127715
946010200
1022327245
111166a876
127588a39
1348197b5
142d72a73
151e60730
hex154afcd

22327245 has 40 divisors (see below), whose sum is σ = 41425560. Its totient is φ = 11491200.

The previous prime is 22327231. The next prime is 22327259. The reversal of 22327245 is 54272322.

It is an interprime number because it is at equal distance from previous prime (22327231) and next prime (22327259).

It can be written as a sum of positive squares in 4 ways, for example, as 171396 + 22155849 = 414^2 + 4707^2 .

It is not a de Polignac number, because 22327245 - 25 = 22327213 is a prime.

It is a super-3 number, since 3×223272453 (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10795 + ... + 12695.

It is an arithmetic number, because the mean of its divisors is an integer number (1035639).

Almost surely, 222327245 is an apocalyptic number.

It is an amenable number.

22327245 is a deficient number, since it is larger than the sum of its proper divisors (19098315).

22327245 is a wasteful number, since it uses less digits than its factorization.

22327245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947 (or 1938 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 22327245 is about 4725.1714254617. The cubic root of 22327245 is about 281.5864240843.

Adding to 22327245 its reverse (54272322), we get a palindrome (76599567).

The spelling of 22327245 in words is "twenty-two million, three hundred twenty-seven thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 27 29 45 81 87 135 145 261 405 435 783 1305 1901 2349 3915 5703 9505 11745 17109 28515 51327 55129 85545 153981 165387 256635 275645 496161 769905 826935 1488483 2480805 4465449 7442415 22327245