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2022022031 = 4519447449
BaseRepresentation
bin111100010000101…
…1001101110001111
312012220210100202212
41320201121232033
513120114201111
6532350541035
7101051621651
oct17041315617
95186710685
102022022031
11948419097
1248520777b
13262bb7c53
1415278c6d1
15bc7b298b
hex78859b8f

2022022031 has 4 divisors (see below), whose sum is σ = 2022474000. Its totient is φ = 2021570064.

The previous prime is 2022022001. The next prime is 2022022033. The reversal of 2022022031 is 1302202202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2022022031 - 210 = 2022021007 is a prime.

It is a super-2 number, since 2×20220220312 = 8177146187698729922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022021997 and 2022022015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022022033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219206 + ... + 228243.

It is an arithmetic number, because the mean of its divisors is an integer number (505618500).

Almost surely, 22022022031 is an apocalyptic number.

2022022031 is a deficient number, since it is larger than the sum of its proper divisors (451969).

2022022031 is an equidigital number, since it uses as much as digits as its factorization.

2022022031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451968.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2022022031 is about 44966.8992815827. The cubic root of 2022022031 is about 1264.5285168211.

Adding to 2022022031 its reverse (1302202202), we get a palindrome (3324224233).

The spelling of 2022022031 in words is "two billion, twenty-two million, twenty-two thousand, thirty-one".

Divisors: 1 4519 447449 2022022031