10321222402 has 4 divisors (see below), whose sum is σ = 15481833606. Its totient is φ = 5160611200.

The previous prime is 10321222397. The next prime is 10321222403. The reversal of 10321222402 is 20422212301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20422212301 = 19 ⋅1074853279.

It can be written as a sum of positive squares in only one way, i.e., 6226630281 + 4094592121 = 78909^2 + 63989^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10321222402.

It is not an unprimeable number, because it can be changed into a prime (10321222403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2580305599 + ... + 2580305602.

Almost surely, 2^10321222402 is an apocalyptic number.

10321222402 is a deficient number, since it is larger than the sum of its proper divisors (5160611204).

10321222402 is an equidigital number, since it uses as much as digits as its factorization.

10321222402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160611203.

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

Adding to 10321222402 its reverse (20422212301), we get a palindrome (30743434703).

The spelling of 10321222402 in words is "ten billion, three hundred twenty-one million, two hundred twenty-two thousand, four hundred two".