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7001222 = 23898999
BaseRepresentation
bin11010101101010010000110
3111011200212112
4122231102012
53243014342
6410021022
7113336504
oct32552206
914150775
107001222
113a52138
122417772
1315b1947
14d03674
15934682
hex6ad486

7001222 has 8 divisors (see below), whose sum is σ = 10530000. Its totient is φ = 3491224.

The previous prime is 7001221. The next prime is 7001233. The reversal of 7001222 is 2221007.

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

It is a junction number, because it is equal to n+sod(n) for n = 7001197 and 7001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7001221) 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, 3722 + ... + 5277.

It is an arithmetic number, because the mean of its divisors is an integer number (1316250).

Almost surely, 27001222 is an apocalyptic number.

7001222 is a deficient number, since it is larger than the sum of its proper divisors (3528778).

7001222 is a wasteful number, since it uses less digits than its factorization.

7001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9390.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 7001222 is about 2645.9822372798. The cubic root of 7001222 is about 191.3042490672.

Adding to 7001222 its reverse (2221007), we get a palindrome (9222229).

The spelling of 7001222 in words is "seven million, one thousand, two hundred twenty-two".

Divisors: 1 2 389 778 8999 17998 3500611 7001222