1422716 has 6 divisors (see below), whose sum is σ = 2489760. Its totient is φ = 711356.

The previous prime is 1422709. The next prime is 1422721. The reversal of 1422716 is 6172241.

It is a junction number, because it is equal to n+sod(n) for n = 1422691 and 1422700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177836 + ... + 177843.

It is an arithmetic number, because the mean of its divisors is an integer number (414960).

2^1422716 is an apocalyptic number.

It is an amenable number.

1422716 is a deficient number, since it is larger than the sum of its proper divisors (1067044).

1422716 is a wasteful number, since it uses less digits than its factorization.

1422716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355683 (or 355681 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 1422716 is about 1192.7765926610. The cubic root of 1422716 is about 112.4707018356.

Adding to 1422716 its reverse (6172241), we get a palindrome (7594957).

The spelling of 1422716 in words is "one million, four hundred twenty-two thousand, seven hundred sixteen".