1401722 has 16 divisors (see below), whose sum is σ = 2445120. Its totient is φ = 590208.

The previous prime is 1401721. The next prime is 1401737. The reversal of 1401722 is 2271041.

1401722 is a modest number, since divided by 1722 gives 14 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1401722.

It is not an unprimeable number, because it can be changed into a prime (1401721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23 + ... + 1674.

It is an arithmetic number, because the mean of its divisors is an integer number (152820).

2^1401722 is an apocalyptic number.

1401722 is a deficient number, since it is larger than the sum of its proper divisors (1043398).

1401722 is a wasteful number, since it uses less digits than its factorization.

1401722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1401722 is about 1183.9434108098. The cubic root of 1401722 is about 111.9147416624.

Adding to 1401722 its reverse (2271041), we get a palindrome (3672763).

The spelling of 1401722 in words is "one million, four hundred one thousand, seven hundred twenty-two".