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22330274 = 211165137
BaseRepresentation
bin101010100101…
…1101110100010
31120000111101012
41111023232202
521204032044
62114340522
7360542561
oct125135642
946014335
1022330274
111167207a
12758a742
13481aca5
142d73bd8
151e6159e
hex154bba2

22330274 has 4 divisors (see below), whose sum is σ = 33495414. Its totient is φ = 11165136.

The previous prime is 22330271. The next prime is 22330289. The reversal of 22330274 is 47203322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16362025 + 5968249 = 4045^2 + 2443^2 .

It is a super-2 number, since 2×223302742 = 997282273830152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22330271) 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 as a sum of consecutive naturals, namely, 5582567 + ... + 5582570.

Almost surely, 222330274 is an apocalyptic number.

22330274 is a deficient number, since it is larger than the sum of its proper divisors (11165140).

22330274 is a wasteful number, since it uses less digits than its factorization.

22330274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11165139.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 22330274 is about 4725.4919320638. The cubic root of 22330274 is about 281.5991572079.

Adding to 22330274 its reverse (47203322), we get a palindrome (69533596).

The spelling of 22330274 in words is "twenty-two million, three hundred thirty thousand, two hundred seventy-four".

Divisors: 1 2 11165137 22330274