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2022002222021 = 17990712454357
BaseRepresentation
bin11101011011001000101…
…110010110001111000101
321011022010210220112110222
4131123020232112033011
5231112030032101041
64144521152554125
7266041046206655
oct35331056261705
97138123815428
102022002222021
1170a5875a4951
12287a64552945
1311889b9b3862
146dc18a4c365
15378e48e974b
hex1d6c8b963c5

2022002222021 has 8 divisors (see below), whose sum is σ = 2035540271520. Its totient is φ = 2008489083408.

The previous prime is 2022002222003. The next prime is 2022002222029. The reversal of 2022002222021 is 1202222002202.

Adding to 2022002222021 its reverse (1202222002202), we get a palindrome (3224224224223).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2022002222021 is a prime.

It is a super-2 number, since 2×20220022220212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022002222029) 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, 6064826 + ... + 6389531.

It is an arithmetic number, because the mean of its divisors is an integer number (254442533940).

Almost surely, 22022002222021 is an apocalyptic number.

It is an amenable number.

2022002222021 is a deficient number, since it is larger than the sum of its proper divisors (13538049499).

2022002222021 is a wasteful number, since it uses less digits than its factorization.

2022002222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12455443.

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

The spelling of 2022002222021 in words is "two trillion, twenty-two billion, two million, two hundred twenty-two thousand, twenty-one".

Divisors: 1 179 907 162353 12454357 2229329903 11296101799 2022002222021