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407222 = 2375503
BaseRepresentation
bin1100011011010110110
3202200121022
41203122312
5101012342
612421142
73314144
oct1433266
9680538
10407222
11258a52
121777b2
1311347a
14a8594
15809d2
hex636b6

407222 has 8 divisors (see below), whose sum is σ = 627456. Its totient is φ = 198072.

The previous prime is 407221. The next prime is 407233. The reversal of 407222 is 222704.

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

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 407222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2678 + ... + 2825.

It is an arithmetic number, because the mean of its divisors is an integer number (78432).

2407222 is an apocalyptic number.

407222 is a deficient number, since it is larger than the sum of its proper divisors (220234).

407222 is a wasteful number, since it uses less digits than its factorization.

407222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5542.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 407222 is about 638.1394831853. The cubic root of 407222 is about 74.1214222779.

Adding to 407222 its reverse (222704), we get a palindrome (629926).

The spelling of 407222 in words is "four hundred seven thousand, two hundred twenty-two", and thus it is an iban number.

Divisors: 1 2 37 74 5503 11006 203611 407222