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22022023201 = 33863650327
BaseRepresentation
bin10100100000100111…
…010110100000100001
32002211202022200121221
4110200213112200201
5330100114220301
614041120215041
71406504052163
oct244047264041
962752280557
1022022023201
119380948a82
12432716a481
1320cc593279
1410cca74933
1588d52dda1
hex5209d6821

22022023201 has 4 divisors (see below), whose sum is σ = 22022707392. Its totient is φ = 22021339012.

The previous prime is 22022023181. The next prime is 22022023217. The reversal of 22022023201 is 10232022022.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10232022022 = 25116011011.

It is a cyclic number.

It is not a de Polignac number, because 22022023201 - 27 = 22022023073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22022083201) 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, 291301 + ... + 359026.

It is an arithmetic number, because the mean of its divisors is an integer number (5505676848).

Almost surely, 222022023201 is an apocalyptic number.

It is an amenable number.

22022023201 is a deficient number, since it is larger than the sum of its proper divisors (684191).

22022023201 is an equidigital number, since it uses as much as digits as its factorization.

22022023201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684190.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22022023201 its reverse (10232022022), we get a palindrome (32254045223).

The spelling of 22022023201 in words is "twenty-two billion, twenty-two million, twenty-three thousand, two hundred one".

Divisors: 1 33863 650327 22022023201