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227222201 = 1056721503
BaseRepresentation
bin11011000101100…
…10001010111001
3120211120002021002
431202302022321
5431132102301
634314054345
75426233253
oct1542621271
9524502232
10227222201
11107296448
126411a3b5
13380c8b0b
142226acd3
1514e3516b
hexd8b22b9

227222201 has 4 divisors (see below), whose sum is σ = 227254272. Its totient is φ = 227190132.

The previous prime is 227222173. The next prime is 227222207. The reversal of 227222201 is 102222722.

227222201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-227222201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227222207) 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, 185 + ... + 21318.

It is an arithmetic number, because the mean of its divisors is an integer number (56813568).

Almost surely, 2227222201 is an apocalyptic number.

It is an amenable number.

227222201 is a deficient number, since it is larger than the sum of its proper divisors (32071).

227222201 is a wasteful number, since it uses less digits than its factorization.

227222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32070.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 227222201 is about 15073.8913688536. The cubic root of 227222201 is about 610.2159953535.

Adding to 227222201 its reverse (102222722), we get a palindrome (329444923).

The spelling of 227222201 in words is "two hundred twenty-seven million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 10567 21503 227222201