2356226 has 4 divisors (see below), whose sum is σ = 3534342. Its totient is φ = 1178112.

The previous prime is 2356219. The next prime is 2356259. The reversal of 2356226 is 6226532.

It is a Cunningham number, because it is equal to 1535²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2356225 + 1 = 1535^2 + 1^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2356195 and 2356204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589055 + ... + 589058.

2^2356226 is an apocalyptic number.

2356226 is a deficient number, since it is larger than the sum of its proper divisors (1178116).

2356226 is a wasteful number, since it uses less digits than its factorization.

2356226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178115.

The product of its digits is 4320, while the sum is 26.

The square root of 2356226 is about 1535.0003257329. Note that the first 3 decimals coincide. The cubic root of 2356226 is about 133.0675971227.

The spelling of 2356226 in words is "two million, three hundred fifty-six thousand, two hundred twenty-six".