1402722 has 12 divisors (see below), whose sum is σ = 3039270. Its totient is φ = 467568.

The previous prime is 1402711. The next prime is 1402727. The reversal of 1402722 is 2272041.

It can be written as a sum of positive squares in only one way, i.e., 938961 + 463761 = 969^2 + 681^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 77929 = 1402722 / (1 + 4 + 0 + 2 + 7 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1402695 and 1402704.

It is not an unprimeable number, because it can be changed into a prime (1402727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38947 + ... + 38982.

2^1402722 is an apocalyptic number.

1402722 is an abundant number, since it is smaller than the sum of its proper divisors (1636548).

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

1402722 is a wasteful number, since it uses less digits than its factorization.

1402722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77937 (or 77934 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 1402722 is about 1184.3656529974. The cubic root of 1402722 is about 111.9413489685.

Adding to 1402722 its reverse (2272041), we get a palindrome (3674763).

The spelling of 1402722 in words is "one million, four hundred two thousand, seven hundred twenty-two".