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230022211 = 975714153
BaseRepresentation
bin11011011010111…
…01110001000011
3121000211100011011
431231131301003
5432341202321
634454101351
75462104456
oct1555356103
9530740134
10230022211
11108929101
126504a857
1338869423
142279949d
15152d9ae1
hexdb5dc43

230022211 has 8 divisors (see below), whose sum is σ = 232856624. Its totient is φ = 227197440.

The previous prime is 230022193. The next prime is 230022217. The reversal of 230022211 is 112220032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230022211 - 27 = 230022083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230022191 and 230022200.

It is not an unprimeable number, because it can be changed into a prime (230022217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53311 + ... + 57463.

It is an arithmetic number, because the mean of its divisors is an integer number (29107078).

Almost surely, 2230022211 is an apocalyptic number.

230022211 is a deficient number, since it is larger than the sum of its proper divisors (2834413).

230022211 is an equidigital number, since it uses as much as digits as its factorization.

230022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 230022211 is about 15166.4831454098. The cubic root of 230022211 is about 612.7122893730.

Adding to 230022211 its reverse (112220032), we get a palindrome (342242243).

The spelling of 230022211 in words is "two hundred thirty million, twenty-two thousand, two hundred eleven".

Divisors: 1 97 571 4153 55387 402841 2371363 230022211