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22814018 = 211407009
BaseRepresentation
bin101011100000…
…1110101000010
31120221001221122
41113001311002
521320022033
62132552242
7364626113
oct127016502
946831848
1022814018
1111972567
127782682
13495a226
14305c20a
152009a98
hex15c1d42

22814018 has 4 divisors (see below), whose sum is σ = 34221030. Its totient is φ = 11407008.

The previous prime is 22813963. The next prime is 22814023. The reversal of 22814018 is 81041822.

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., 12271009 + 10543009 = 3503^2 + 3247^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5703503 + ... + 5703506.

Almost surely, 222814018 is an apocalyptic number.

22814018 is a deficient number, since it is larger than the sum of its proper divisors (11407012).

22814018 is a wasteful number, since it uses less digits than its factorization.

22814018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11407011.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 22814018 is about 4776.4022024951. The cubic root of 22814018 is about 283.6180891128.

The spelling of 22814018 in words is "twenty-two million, eight hundred fourteen thousand, eighteen".

Divisors: 1 2 11407009 22814018