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2022402223 = 2063980321
BaseRepresentation
bin111100010001011…
…0110100010101111
312012221111200022001
41320202312202233
513120213332343
6532403033131
7101055064252
oct17042664257
95187450261
102022402223
119486587a6
1248536b7a7
13262cbc00a
1415284b099
15bc83a44d
hex788b68af

2022402223 has 4 divisors (see below), whose sum is σ = 2023384608. Its totient is φ = 2021419840.

The previous prime is 2022402139. The next prime is 2022402227. The reversal of 2022402223 is 3222042202.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2022402223 is a prime.

It is a super-2 number, since 2×20224022232 = 8180221503190683458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2022402223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022402227) 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, 488098 + ... + 492223.

It is an arithmetic number, because the mean of its divisors is an integer number (505846152).

Almost surely, 22022402223 is an apocalyptic number.

2022402223 is a deficient number, since it is larger than the sum of its proper divisors (982385).

2022402223 is an equidigital number, since it uses as much as digits as its factorization.

2022402223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982384.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2022402223 is about 44971.1265480419. The cubic root of 2022402223 is about 1264.6077664517.

Adding to 2022402223 its reverse (3222042202), we get a palindrome (5244444425).

The spelling of 2022402223 in words is "two billion, twenty-two million, four hundred two thousand, two hundred twenty-three".

Divisors: 1 2063 980321 2022402223