1351722 has 8 divisors (see below), whose sum is σ = 2703456. Its totient is φ = 450572.

The previous prime is 1351711. The next prime is 1351747. The reversal of 1351722 is 2271531.

It is a sphenic number, since it is the product of 3 distinct primes.

1351722 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112638 + ... + 112649.

It is an arithmetic number, because the mean of its divisors is an integer number (337932).

2^1351722 is an apocalyptic number.

1351722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1351722 is a wasteful number, since it uses less digits than its factorization.

1351722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225292.

The product of its digits is 420, while the sum is 21.

The square root of 1351722 is about 1162.6357985199. The cubic root of 1351722 is about 110.5679168616.

The spelling of 1351722 in words is "one million, three hundred fifty-one thousand, seven hundred twenty-two".