1205422 has 4 divisors (see below), whose sum is σ = 1808136. Its totient is φ = 602710.

The previous prime is 1205411. The next prime is 1205437. The reversal of 1205422 is 2245021.

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

It is a junction number, because it is equal to n+sod(n) for n = 1205396 and 1205405.

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, 301354 + ... + 301357.

It is an arithmetic number, because the mean of its divisors is an integer number (452034).

2^1205422 is an apocalyptic number.

1205422 is a deficient number, since it is larger than the sum of its proper divisors (602714).

1205422 is an equidigital number, since it uses as much as digits as its factorization.

1205422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602713.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1205422 is about 1097.9171189120. The cubic root of 1205422 is about 106.4256646590.

The spelling of 1205422 in words is "one million, two hundred five thousand, four hundred twenty-two".