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7042227 = 32347409
BaseRepresentation
bin11010110111010010110011
3111020210010020
4122313102303
53300322402
6410534523
7113600163
oct32672263
914223106
107042227
113a7aa25
122437443
1315c74ca
14d145a3
159418bc
hex6b74b3

7042227 has 4 divisors (see below), whose sum is σ = 9389640. Its totient is φ = 4694816.

The previous prime is 7042219. The next prime is 7042229. The reversal of 7042227 is 7222407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7222407 = 32407469.

It is a cyclic number.

It is not a de Polignac number, because 7042227 - 23 = 7042219 is a prime.

It is a super-2 number, since 2×70422272 = 99185922239058, which contains 22 as substring.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 7042197 and 7042206.

It is not an unprimeable number, because it can be changed into a prime (7042229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173702 + ... + 1173707.

It is an arithmetic number, because the mean of its divisors is an integer number (2347410).

Almost surely, 27042227 is an apocalyptic number.

7042227 is a deficient number, since it is larger than the sum of its proper divisors (2347413).

7042227 is a wasteful number, since it uses less digits than its factorization.

7042227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347412.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 7042227 is about 2653.7194652035. The cubic root of 7042227 is about 191.6770014171.

The spelling of 7042227 in words is "seven million, forty-two thousand, two hundred twenty-seven".

Divisors: 1 3 2347409 7042227