22220733361 has 4 divisors (see below), whose sum is σ = 22440740724. Its totient is φ = 22000726000.

The previous prime is 22220733347. The next prime is 22220733391. The reversal of 22220733361 is 16333702222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20254697761 + 1966035600 = 142319^2 + 44340^2 .

It is a cyclic number.

It is not a de Polignac number, because 22220733361 - 2¹⁹ = 22220209073 is a prime.

It is a super-2 number, since 2×22220733361² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22220733391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110003530 + ... + 110003731.

It is an arithmetic number, because the mean of its divisors is an integer number (5610185181).

Almost surely, 2^22220733361 is an apocalyptic number.

It is an amenable number.

22220733361 is a deficient number, since it is larger than the sum of its proper divisors (220007363).

22220733361 is a wasteful number, since it uses less digits than its factorization.

22220733361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220007362.

The product of its (nonzero) digits is 18144, while the sum is 31.

The spelling of 22220733361 in words is "twenty-two billion, two hundred twenty million, seven hundred thirty-three thousand, three hundred sixty-one".