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2205031 is a prime number
BaseRepresentation
bin1000011010010101100111
311011000201211
420122111213
51031030111
6115132251
724512443
oct10322547
94130654
102205031
111276744
128a4087
135c286a
14415823
152d8521
hex21a567

2205031 has 2 divisors, whose sum is σ = 2205032. Its totient is φ = 2205030.

The previous prime is 2205023. The next prime is 2205043. The reversal of 2205031 is 1305022.

2205031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2205031 - 23 = 2205023 is a prime.

It is a super-2 number, since 2×22050312 = 9724323421922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2205001) 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 as a sum of consecutive naturals, namely, 1102515 + 1102516.

It is an arithmetic number, because the mean of its divisors is an integer number (1102516).

22205031 is an apocalyptic number.

2205031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205031 is an equidigital number, since it uses as much as digits as its factorization.

2205031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 2205031 is about 1484.9346786980. The cubic root of 2205031 is about 130.1582097478.

Subtracting from 2205031 its reverse (1305022), we obtain a palindrome (900009).

The spelling of 2205031 in words is "two million, two hundred five thousand, thirty-one".