3145722 has 8 divisors (see below), whose sum is σ = 6291456. Its totient is φ = 1048572.

The previous prime is 3145721. The next prime is 3145739. The reversal of 3145722 is 2275413.

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

3145722 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3145692 and 3145701.

It is not an unprimeable number, because it can be changed into a prime (3145721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262138 + ... + 262149.

It is an arithmetic number, because the mean of its divisors is an integer number (786432).

Almost surely, 2^3145722 is an apocalyptic number.

3145722 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.

3145722 is a wasteful number, since it uses less digits than its factorization.

3145722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524292.

The product of its digits is 1680, while the sum is 24.

The square root of 3145722 is about 1773.6183354939. The cubic root of 3145722 is about 146.5233298897.

It can be divided in two parts, 31 and 45722, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 3145722 in words is "three million, one hundred forty-five thousand, seven hundred twenty-two".