1228834 has 4 divisors (see below), whose sum is σ = 1843254. Its totient is φ = 614416.

The previous prime is 1228789. The next prime is 1228837. The reversal of 1228834 is 4388221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4388221 = 19 ⋅230959.

It can be written as a sum of positive squares in only one way, i.e., 1071225 + 157609 = 1035^2 + 397^2 .

It is not an unprimeable number, because it can be changed into a prime (1228837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307207 + ... + 307210.

2^1228834 is an apocalyptic number.

1228834 is a deficient number, since it is larger than the sum of its proper divisors (614420).

1228834 is an equidigital number, since it uses as much as digits as its factorization.

1228834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614419.

The product of its digits is 3072, while the sum is 28.

The square root of 1228834 is about 1108.5278526045. The cubic root of 1228834 is about 107.1102598825.

The spelling of 1228834 in words is "one million, two hundred twenty-eight thousand, eight hundred thirty-four".