22321212303 has 8 divisors (see below), whose sum is σ = 32050971568. Its totient is φ = 13736130624.

The previous prime is 22321212301. The next prime is 22321212349. The reversal of 22321212303 is 30321212322.

It is a happy number.

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

It is not a de Polignac number, because 22321212303 - 2¹ = 22321212301 is a prime.

It is a super-3 number, since 3×22321212303³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22321212303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22321212301) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 286169350 + ... + 286169427.

It is an arithmetic number, because the mean of its divisors is an integer number (4006371446).

Almost surely, 2^22321212303 is an apocalyptic number.

22321212303 is a deficient number, since it is larger than the sum of its proper divisors (9729759265).

22321212303 is a wasteful number, since it uses less digits than its factorization.

22321212303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572338793.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22321212303 its reverse (30321212322), we get a palindrome (52642424625).

The spelling of 22321212303 in words is "twenty-two billion, three hundred twenty-one million, two hundred twelve thousand, three hundred three".