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22002442001 = 23087953023
BaseRepresentation
bin10100011111011100…
…101001111100010001
32002210101110212021022
4110133130221330101
5330030111121001
614035140405225
71406145446141
oct243734517421
962711425238
1022002442001
119370894371
1243206a6815
1320c84c8667
1410ca218921
1588b96211b
hex51f729f11

22002442001 has 4 divisors (see below), whose sum is σ = 22003418112. Its totient is φ = 22001465892.

The previous prime is 22002441977. The next prime is 22002442027. The reversal of 22002442001 is 10024420022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22002442001 - 214 = 22002425617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22002442801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453425 + ... + 499598.

It is an arithmetic number, because the mean of its divisors is an integer number (5500854528).

Almost surely, 222002442001 is an apocalyptic number.

It is an amenable number.

22002442001 is a deficient number, since it is larger than the sum of its proper divisors (976111).

22002442001 is an equidigital number, since it uses as much as digits as its factorization.

22002442001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976110.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22002442001 its reverse (10024420022), we get a palindrome (32026862023).

The spelling of 22002442001 in words is "twenty-two billion, two million, four hundred forty-two thousand, one".

Divisors: 1 23087 953023 22002442001