7102226 has 8 divisors (see below), whose sum is σ = 11280060. Its totient is φ = 3342208.

The previous prime is 7102223. The next prime is 7102229. The reversal of 7102226 is 6222017.

It is a Cunningham number, because it is equal to 2665²+1.

It is an interprime number because it is at equal distance from previous prime (7102223) and next prime (7102229).

It can be written as a sum of positive squares in 2 ways, for example, as 7102225 + 1 = 2665^2 + 1^2 .

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

It is a super-2 number, since 2×7102226² = 100883228310152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7102198 and 7102207.

It is not an unprimeable number, because it can be changed into a prime (7102223) 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, 104411 + ... + 104478.

Almost surely, 2^7102226 is an apocalyptic number.

7102226 is a deficient number, since it is larger than the sum of its proper divisors (4177834).

7102226 is a wasteful number, since it uses less digits than its factorization.

7102226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208908.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 7102226 is about 2665.0001876173. Note that the first 3 decimals coincide. The cubic root of 7102226 is about 192.2198184044.

The spelling of 7102226 in words is "seven million, one hundred two thousand, two hundred twenty-six".