1322402 has 4 divisors (see below), whose sum is σ = 1983606. Its totient is φ = 661200.

The previous prime is 1322389. The next prime is 1322423. The reversal of 1322402 is 2042231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2042231 = 857 ⋅2383.

It can be written as a sum of positive squares in only one way, i.e., 885481 + 436921 = 941^2 + 661^2 .

It is a d-powerful number, because it can be written as 1 + 3⁸ + 2¹² + 2¹⁸ + 4⁵ + 0 + 2²⁰ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330599 + ... + 330602.

2^1322402 is an apocalyptic number.

1322402 is a deficient number, since it is larger than the sum of its proper divisors (661204).

1322402 is an equidigital number, since it uses as much as digits as its factorization.

1322402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661203.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1322402 is about 1149.9573905150. The cubic root of 1322402 is about 109.7626286355.

Adding to 1322402 its reverse (2042231), we get a palindrome (3364633).

The spelling of 1322402 in words is "one million, three hundred twenty-two thousand, four hundred two".