22773413221 has 8 divisors (see below), whose sum is σ = 24532997720. Its totient is φ = 21014940672.

The previous prime is 22773413209. The next prime is 22773413233. The reversal of 22773413221 is 12231437722.

It is an interprime number because it is at equal distance from previous prime (22773413209) and next prime (22773413233).

It can be written as a sum of positive squares in 4 ways, for example, as 4447022596 + 18326390625 = 66686^2 + 135375^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22773413221 - 2¹³ = 22773405029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22773413261) 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, 235200 + ... + 317593.

It is an arithmetic number, because the mean of its divisors is an integer number (3066624715).

Almost surely, 2^22773413221 is an apocalyptic number.

It is an amenable number.

22773413221 is a deficient number, since it is larger than the sum of its proper divisors (1759584499).

22773413221 is a wasteful number, since it uses less digits than its factorization.

22773413221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555975.

The product of its digits is 28224, while the sum is 34.

The spelling of 22773413221 in words is "twenty-two billion, seven hundred seventy-three million, four hundred thirteen thousand, two hundred twenty-one".