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2022023213 = 7295797687
BaseRepresentation
bin111100010000101…
…1010000000101101
312012220210102101122
41320201122000231
513120114220323
6532350550325
7101051625260
oct17041320055
95186712348
102022023213
11948419a71
124852083a5
13262bb8652
1415278ccd7
15bc7b2ec8
hex7885a02d

2022023213 has 8 divisors (see below), whose sum is σ = 2311688832. Its totient is φ = 1732558896.

The previous prime is 2022023209. The next prime is 2022023251. The reversal of 2022023213 is 3123202202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2022023213 - 22 = 2022023209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022023191 and 2022023200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022023203) 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 7 ways as a sum of consecutive naturals, for example, 28145 + ... + 69542.

It is an arithmetic number, because the mean of its divisors is an integer number (288961104).

Almost surely, 22022023213 is an apocalyptic number.

It is an amenable number.

2022023213 is a deficient number, since it is larger than the sum of its proper divisors (289665619).

2022023213 is an equidigital number, since it uses as much as digits as its factorization.

2022023213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100651.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2022023213 is about 44966.9124245817. The cubic root of 2022023213 is about 1264.5287632200.

Adding to 2022023213 its reverse (3123202202), we get a palindrome (5145225415).

The spelling of 2022023213 in words is "two billion, twenty-two million, twenty-three thousand, two hundred thirteen".

Divisors: 1 7 2957 20699 97687 683809 288860459 2022023213