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7222285 = 57206351
BaseRepresentation
bin11011100011010000001101
3111120221010001
4123203100031
53322103120
6414444301
7115250140
oct33432015
914527101
107222285
114093234
122503691
13165b455
14d60057
15979e0a
hex6e340d

7222285 has 8 divisors (see below), whose sum is σ = 9904896. Its totient is φ = 4952400.

The previous prime is 7222279. The next prime is 7222291. The reversal of 7222285 is 5822227.

It is an interprime number because it is at equal distance from previous prime (7222279) and next prime (7222291).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7222285 - 211 = 7220237 is a prime.

It is a super-2 number, since 2×72222852 = 104322801242450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 103141 + ... + 103210.

It is an arithmetic number, because the mean of its divisors is an integer number (1238112).

Almost surely, 27222285 is an apocalyptic number.

It is an amenable number.

7222285 is a deficient number, since it is larger than the sum of its proper divisors (2682611).

7222285 is a wasteful number, since it uses less digits than its factorization.

7222285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206363.

The product of its digits is 4480, while the sum is 28.

The square root of 7222285 is about 2687.4309293450. The cubic root of 7222285 is about 193.2968933171.

The spelling of 7222285 in words is "seven million, two hundred twenty-two thousand, two hundred eighty-five".

Divisors: 1 5 7 35 206351 1031755 1444457 7222285