22001301223 has 16 divisors (see below), whose sum is σ = 25050749472. Its totient is φ = 19145152000.

The previous prime is 22001301221. The next prime is 22001301229. The reversal of 22001301223 is 32210310022.

It is a cyclic number.

It is not a de Polignac number, because 22001301223 - 2¹ = 22001301221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22001301197 and 22001301206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001301221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436318 + ... + 484123.

It is an arithmetic number, because the mean of its divisors is an integer number (1565671842).

Almost surely, 2^22001301223 is an apocalyptic number.

22001301223 is a deficient number, since it is larger than the sum of its proper divisors (3049448249).

22001301223 is a wasteful number, since it uses less digits than its factorization.

22001301223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920546.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22001301223 its reverse (32210310022), we get a palindrome (54211611245).

The spelling of 22001301223 in words is "twenty-two billion, one million, three hundred one thousand, two hundred twenty-three".