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2226457 = 7928183
BaseRepresentation
bin1000011111100100011001
311012010010101
420133210121
51032221312
6115415401
724632062
oct10374431
94163111
102226457
111290852
128b4561
135cc53c
1441d569
152dea57
hex21f919

2226457 has 4 divisors (see below), whose sum is σ = 2254720. Its totient is φ = 2198196.

The previous prime is 2226431. The next prime is 2226461. The reversal of 2226457 is 7546222.

2226457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7546222 = 23773111.

It is a cyclic number.

It is not a de Polignac number, because 2226457 - 215 = 2193689 is a prime.

It is a super-2 number, since 2×22264572 = 9914221545698, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2226407) 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, 14013 + ... + 14170.

It is an arithmetic number, because the mean of its divisors is an integer number (563680).

22226457 is an apocalyptic number.

It is an amenable number.

2226457 is a deficient number, since it is larger than the sum of its proper divisors (28263).

2226457 is an equidigital number, since it uses as much as digits as its factorization.

2226457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28262.

The product of its digits is 6720, while the sum is 28.

The square root of 2226457 is about 1492.1316966005. The cubic root of 2226457 is about 130.5784284121.

The spelling of 2226457 in words is "two million, two hundred twenty-six thousand, four hundred fifty-seven".

Divisors: 1 79 28183 2226457