Search a number
-
+
22275161 = 294317863
BaseRepresentation
bin101010011111…
…0010001011001
31112220200202222
41110332101121
521200301121
62113233425
7360223106
oct124762131
945820688
1022275161
1111634727
127562875
1347cbb8c
142d5baad
151e500ab
hex153e459

22275161 has 8 divisors (see below), whose sum is σ = 23580480. Its totient is φ = 21005712.

The previous prime is 22275139. The next prime is 22275173. The reversal of 22275161 is 16157222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22275161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22275161.

It is not an unprimeable number, because it can be changed into a prime (22275101) 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, 7685 + ... + 10178.

It is an arithmetic number, because the mean of its divisors is an integer number (2947560).

Almost surely, 222275161 is an apocalyptic number.

It is an amenable number.

22275161 is a deficient number, since it is larger than the sum of its proper divisors (1305319).

22275161 is a wasteful number, since it uses less digits than its factorization.

22275161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17935.

The product of its digits is 1680, while the sum is 26.

The square root of 22275161 is about 4719.6568731212. The cubic root of 22275161 is about 281.3672961938.

The spelling of 22275161 in words is "twenty-two million, two hundred seventy-five thousand, one hundred sixty-one".

Divisors: 1 29 43 1247 17863 518027 768109 22275161