1406722 has 8 divisors (see below), whose sum is σ = 2221200. Its totient is φ = 666324.

The previous prime is 1406707. The next prime is 1406771. The reversal of 1406722 is 2276041.

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

It is a junction number, because it is equal to n+sod(n) for n = 1406693 and 1406702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18472 + ... + 18547.

It is an arithmetic number, because the mean of its divisors is an integer number (277650).

2^1406722 is an apocalyptic number.

1406722 is a deficient number, since it is larger than the sum of its proper divisors (814478).

1406722 is a wasteful number, since it uses less digits than its factorization.

1406722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37040.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1406722 is about 1186.0531185406. The cubic root of 1406722 is about 112.0476519168.

The spelling of 1406722 in words is "one million, four hundred six thousand, seven hundred twenty-two".