1321022422 has 8 divisors (see below), whose sum is σ = 1982612016. Its totient is φ = 660151752.

The previous prime is 1321022399. The next prime is 1321022431. The reversal of 1321022422 is 2242201231.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1321022422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175113 + ... + 182500.

It is an arithmetic number, because the mean of its divisors is an integer number (247826502).

Almost surely, 2^1321022422 is an apocalyptic number.

1321022422 is a deficient number, since it is larger than the sum of its proper divisors (661589594).

1321022422 is a wasteful number, since it uses less digits than its factorization.

1321022422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359462.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1321022422 is about 36345.8721452657. The cubic root of 1321022422 is about 1097.2444589536.

Adding to 1321022422 its reverse (2242201231), we get a palindrome (3563223653).

The spelling of 1321022422 in words is "one billion, three hundred twenty-one million, twenty-two thousand, four hundred twenty-two".