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2242187 is a prime number
BaseRepresentation
bin1000100011011010001011
311012220200222
420203122023
51033222222
6120020255
725025663
oct10433213
94186628
102242187
1112a1652
1290168b
1360674c
144251a3
152e4542
hex22368b

2242187 has 2 divisors, whose sum is σ = 2242188. Its totient is φ = 2242186.

The previous prime is 2242169. The next prime is 2242189. The reversal of 2242187 is 7812422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2242187 - 210 = 2241163 is a prime.

Together with 2242189, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (2242189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121093 + 1121094.

It is an arithmetic number, because the mean of its divisors is an integer number (1121094).

22242187 is an apocalyptic number.

2242187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242187 is an equidigital number, since it uses as much as digits as its factorization.

2242187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 26.

The square root of 2242187 is about 1497.3934018821. The cubic root of 2242187 is about 130.8852208307.

The spelling of 2242187 in words is "two million, two hundred forty-two thousand, one hundred eighty-seven".