1409722 has 4 divisors (see below), whose sum is σ = 2114586. Its totient is φ = 704860.

The previous prime is 1409717. The next prime is 1409731. The reversal of 1409722 is 2279041.

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

It can be written as a sum of positive squares in only one way, i.e., 1083681 + 326041 = 1041^2 + 571^2 .

It is a super-2 number, since 2×1409722² = 3974632234568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352429 + ... + 352432.

2^1409722 is an apocalyptic number.

1409722 is a deficient number, since it is larger than the sum of its proper divisors (704864).

1409722 is an equidigital number, since it uses as much as digits as its factorization.

1409722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704863.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1409722 is about 1187.3171438163. The cubic root of 1409722 is about 112.1272469573.

The spelling of 1409722 in words is "one million, four hundred nine thousand, seven hundred twenty-two".