1357226 has 8 divisors (see below), whose sum is σ = 2192484. Its totient is φ = 626400.

The previous prime is 1357201. The next prime is 1357333. The reversal of 1357226 is 6227531.

It is a Cunningham number, because it is equal to 1165²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 1357225 + 1 = 1165^2 + 1^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 52201 = 1357226 / (1 + 3 + 5 + 7 + 2 + 2 + 6).

It is a d-powerful number, because it can be written as 1 + 3¹² + 5³ + 7⁷ + 2⁵ + 2¹¹ + 6² .

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 1357195 and 1357204.

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 3 ways as a sum of consecutive naturals, for example, 26075 + ... + 26126.

2^1357226 is an apocalyptic number.

1357226 is a deficient number, since it is larger than the sum of its proper divisors (835258).

1357226 is a wasteful number, since it uses less digits than its factorization.

1357226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52216.

The product of its digits is 2520, while the sum is 26.

The square root of 1357226 is about 1165.0004291845. Note that the first 3 decimals coincide. The cubic root of 1357226 is about 110.7177853708.

The spelling of 1357226 in words is "one million, three hundred fifty-seven thousand, two hundred twenty-six".