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222493 is a prime number
BaseRepresentation
bin110110010100011101
3102022012111
4312110131
524104433
64434021
71614445
oct662435
9368174
10222493
11142187
12a8911
137a36b
145b125
1545dcd
hex3651d

222493 has 2 divisors, whose sum is σ = 222494. Its totient is φ = 222492.

The previous prime is 222461. The next prime is 222499. The reversal of 222493 is 394222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196249 + 26244 = 443^2 + 162^2 .

It is a cyclic number.

It is not a de Polignac number, because 222493 - 25 = 222461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111246 + 111247.

It is an arithmetic number, because the mean of its divisors is an integer number (111247).

2222493 is an apocalyptic number.

It is an amenable number.

222493 is a deficient number, since it is larger than the sum of its proper divisors (1).

222493 is an equidigital number, since it uses as much as digits as its factorization.

222493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 22.

The square root of 222493 is about 471.6916365593. The cubic root of 222493 is about 60.5952782359.

The spelling of 222493 in words is "two hundred twenty-two thousand, four hundred ninety-three".