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222441 = 3531399
BaseRepresentation
bin110110010011101001
3102022010120
4312103221
524104231
64433453
71614342
oct662351
9368116
10222441
1114213a
12a8889
137a32b
145b0c9
1545d96
hex364e9

222441 has 8 divisors (see below), whose sum is σ = 302400. Its totient is φ = 145392.

The previous prime is 222437. The next prime is 222461. The reversal of 222441 is 144222.

Adding to 222441 its reverse (144222), we get a palindrome (366663).

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

It is not a de Polignac number, because 222441 - 22 = 222437 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222441.

It is not an unprimeable number, because it can be changed into a prime (222461) 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, 541 + ... + 858.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2222441 is an apocalyptic number.

It is an amenable number.

222441 is a deficient number, since it is larger than the sum of its proper divisors (79959).

222441 is a wasteful number, since it uses less digits than its factorization.

222441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455.

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

The square root of 222441 is about 471.6365125815. The cubic root of 222441 is about 60.5905571885.

The spelling of 222441 in words is "two hundred twenty-two thousand, four hundred forty-one", and thus it is an iban number.

Divisors: 1 3 53 159 1399 4197 74147 222441