1405022 has 4 divisors (see below), whose sum is σ = 2107536. Its totient is φ = 702510.

The previous prime is 1405009. The next prime is 1405039. The reversal of 1405022 is 2205041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2205041 = 229 ⋅9629.

It is a junction number, because it is equal to n+sod(n) for n = 1404988 and 1405006.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 351254 + ... + 351257.

It is an arithmetic number, because the mean of its divisors is an integer number (526884).

2^1405022 is an apocalyptic number.

1405022 is a deficient number, since it is larger than the sum of its proper divisors (702514).

1405022 is an equidigital number, since it uses as much as digits as its factorization.

1405022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702513.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1405022 is about 1185.3362392165. The cubic root of 1405022 is about 112.0024978184.

The spelling of 1405022 in words is "one million, four hundred five thousand, twenty-two".