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200222001 = 3273178127
BaseRepresentation
bin10111110111100…
…10010100110001
3111221202022221200
423323302110301
5402224101001
631511241413
74650600420
oct1373622461
9457668850
10200222001
11a3024831
1257079269
1332634375
141c83d2b7
15128a0086
hexbef2531

200222001 has 12 divisors (see below), whose sum is σ = 330525312. Its totient is φ = 114412536.

The previous prime is 200221999. The next prime is 200222027. The reversal of 200222001 is 100222002.

It is not a de Polignac number, because 200222001 - 21 = 200221999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200222051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1589001 + ... + 1589126.

It is an arithmetic number, because the mean of its divisors is an integer number (27543776).

Almost surely, 2200222001 is an apocalyptic number.

200222001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200222001 is a deficient number, since it is larger than the sum of its proper divisors (130303311).

200222001 is a wasteful number, since it uses less digits than its factorization.

200222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178140 (or 3178137 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 200222001 is about 14149.9823674802. The cubic root of 200222001 is about 585.0198459189.

Adding to 200222001 its reverse (100222002), we get a palindrome (300444003).

Subtracting from 200222001 its reverse (100222002), we obtain a palindrome (99999999).

The spelling of 200222001 in words is "two hundred million, two hundred twenty-two thousand, one".

Divisors: 1 3 7 9 21 63 3178127 9534381 22246889 28603143 66740667 200222001