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224222001 = 374740667
BaseRepresentation
bin11010101110101…
…01101100110001
3120121220122202120
431113111230301
5424400101001
634125504453
75361566313
oct1527255461
9517818676
10224222001
11105627343
1263112129
13375b8353
1421ac97b3
1514a41236
hexd5d5b31

224222001 has 4 divisors (see below), whose sum is σ = 298962672. Its totient is φ = 149481332.

The previous prime is 224221979. The next prime is 224222041. The reversal of 224222001 is 100222422.

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 a cyclic number.

It is not a de Polignac number, because 224222001 - 210 = 224220977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224222041) 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, 37370331 + ... + 37370336.

It is an arithmetic number, because the mean of its divisors is an integer number (74740668).

Almost surely, 2224222001 is an apocalyptic number.

It is an amenable number.

224222001 is a deficient number, since it is larger than the sum of its proper divisors (74740671).

224222001 is an equidigital number, since it uses as much as digits as its factorization.

224222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74740670.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 224222001 is about 14974.0442432898. The cubic root of 224222001 is about 607.5183608060.

Adding to 224222001 its reverse (100222422), we get a palindrome (324444423).

The spelling of 224222001 in words is "two hundred twenty-four million, two hundred twenty-two thousand, one".

Divisors: 1 3 74740667 224222001