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22330019 = 22997511
BaseRepresentation
bin101010100101…
…1101010100011
31120000111000202
41111023222203
521204030034
62114335415
7360542045
oct125135243
946014022
1022330019
1111671968
12758a56b
13481ab3a
142d73a95
151e6147e
hex154baa3

22330019 has 4 divisors (see below), whose sum is σ = 22427760. Its totient is φ = 22232280.

The previous prime is 22330003. The next prime is 22330037. The reversal of 22330019 is 91003322.

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

It is a cyclic number.

It is not a de Polignac number, because 22330019 - 24 = 22330003 is a prime.

It is a super-2 number, since 2×223300192 = 997259497080722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22330039) 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 3 ways as a sum of consecutive naturals, for example, 48527 + ... + 48984.

It is an arithmetic number, because the mean of its divisors is an integer number (5606940).

Almost surely, 222330019 is an apocalyptic number.

22330019 is a deficient number, since it is larger than the sum of its proper divisors (97741).

22330019 is an equidigital number, since it uses as much as digits as its factorization.

22330019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97740.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 22330019 is about 4725.4649506689. The cubic root of 22330019 is about 281.5980852990.

The spelling of 22330019 in words is "twenty-two million, three hundred thirty thousand, nineteen".

Divisors: 1 229 97511 22330019