1226338 has 4 divisors (see below), whose sum is σ = 1839510. Its totient is φ = 613168.

The previous prime is 1226321. The next prime is 1226339. The reversal of 1226338 is 8336221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8336221 = 421 ⋅19801.

It can be written as a sum of positive squares in only one way, i.e., 786769 + 439569 = 887^2 + 663^2 .

It is not an unprimeable number, because it can be changed into a prime (1226339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306583 + ... + 306586.

2^1226338 is an apocalyptic number.

1226338 is a deficient number, since it is larger than the sum of its proper divisors (613172).

1226338 is an equidigital number, since it uses as much as digits as its factorization.

1226338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613171.

The product of its digits is 1728, while the sum is 25.

The square root of 1226338 is about 1107.4014628851. The cubic root of 1226338 is about 107.0376901607.

The spelling of 1226338 in words is "one million, two hundred twenty-six thousand, three hundred thirty-eight".