Base | Representation |
---|---|
bin | 1000011111010101010110 |
3 | 11012001210201 |
4 | 20133111112 |
5 | 1032203434 |
6 | 115411114 |
7 | 24626215 |
oct | 10372526 |
9 | 4161721 |
10 | 2225494 |
11 | 1290057 |
12 | 8b3a9a |
13 | 5cbc7b |
14 | 41d07c |
15 | 2de614 |
hex | 21f556 |
2225494 has 4 divisors (see below), whose sum is σ = 3338244. Its totient is φ = 1112746.
The previous prime is 2225491. The next prime is 2225501. The reversal of 2225494 is 4945222.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4945222 = 2 ⋅2472611.
It is a d-powerful number, because it can be written as 25 + 215 + 221 + 57 + 45 + 9 + 47 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2225491) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556372 + ... + 556375.
It is an arithmetic number, because the mean of its divisors is an integer number (834561).
22225494 is an apocalyptic number.
2225494 is a deficient number, since it is larger than the sum of its proper divisors (1112750).
2225494 is a wasteful number, since it uses less digits than its factorization.
2225494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1112749.
The product of its digits is 5760, while the sum is 28.
The square root of 2225494 is about 1491.8089690037. The cubic root of 2225494 is about 130.5595995193.
The spelling of 2225494 in words is "two million, two hundred twenty-five thousand, four hundred ninety-four".
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