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2022040221 = 36071110401
BaseRepresentation
bin111100010000101…
…1110001010011101
312012220211021201120
41320201132022131
513120120241341
6532351201153
7101052025665
oct17041361235
95186737646
102022040221
11948430823
124852161b9
13262bc3306
141527951a5
15bc7b8066
hex7885e29d

2022040221 has 8 divisors (see below), whose sum is σ = 2700497664. Its totient is φ = 1345804800.

The previous prime is 2022040201. The next prime is 2022040253. The reversal of 2022040221 is 1220402202.

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

It is not a de Polignac number, because 2022040221 - 29 = 2022039709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2022040221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022040201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553380 + ... + 557021.

It is an arithmetic number, because the mean of its divisors is an integer number (337562208).

Almost surely, 22022040221 is an apocalyptic number.

It is an amenable number.

2022040221 is a deficient number, since it is larger than the sum of its proper divisors (678457443).

2022040221 is a wasteful number, since it uses less digits than its factorization.

2022040221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111011.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2022040221 is about 44967.1015410155. The cubic root of 2022040221 is about 1264.5323086862.

Adding to 2022040221 its reverse (1220402202), we get a palindrome (3242442423).

The spelling of 2022040221 in words is "two billion, twenty-two million, forty thousand, two hundred twenty-one".

Divisors: 1 3 607 1821 1110401 3331203 674013407 2022040221