Search a number
-
+
2022010021 = 13115435191
BaseRepresentation
bin111100010000101…
…0110110010100101
312012220202202022001
41320201112302211
513120113310041
6532350405301
7101051541643
oct17041266245
95186682261
102022010021
11948410069
12485200831
13262bb2645
14152788193
15bc7ae131
hex78856ca5

2022010021 has 4 divisors (see below), whose sum is σ = 2037445344. Its totient is φ = 2006574700.

The previous prime is 2022010009. The next prime is 2022010033. The reversal of 2022010021 is 1200102202.

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 an interprime number because it is at equal distance from previous prime (2022010009) and next prime (2022010033).

It is a cyclic number.

It is not a de Polignac number, because 2022010021 - 211 = 2022007973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022010321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7717465 + ... + 7717726.

It is an arithmetic number, because the mean of its divisors is an integer number (509361336).

Almost surely, 22022010021 is an apocalyptic number.

It is an amenable number.

2022010021 is a deficient number, since it is larger than the sum of its proper divisors (15435323).

2022010021 is a wasteful number, since it uses less digits than its factorization.

2022010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15435322.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2022010021 is about 44966.7657387097. The cubic root of 2022010021 is about 1264.5260132187.

Adding to 2022010021 its reverse (1200102202), we get a palindrome (3222112223).

The spelling of 2022010021 in words is "two billion, twenty-two million, ten thousand, twenty-one".

Divisors: 1 131 15435191 2022010021