22245940869 has 8 divisors (see below), whose sum is σ = 31406034240. Its totient is φ = 13958237376.

The previous prime is 22245940841. The next prime is 22245940891. The reversal of 22245940869 is 96804954222.

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 22245940869 - 2¹¹ = 22245938821 is a prime.

It is a super-2 number, since 2×22245940869² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 436194919 = 22245940869 / (2 + 2 + 2 + 4 + 5 + 9 + 4 + 0 + 8 + 6 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22245940819) 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, 218097409 + ... + 218097510.

It is an arithmetic number, because the mean of its divisors is an integer number (3925754280).

Almost surely, 2^22245940869 is an apocalyptic number.

It is an amenable number.

22245940869 is a deficient number, since it is larger than the sum of its proper divisors (9160093371).

22245940869 is a wasteful number, since it uses less digits than its factorization.

22245940869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436194939.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 22245940869 in words is "twenty-two billion, two hundred forty-five million, nine hundred forty thousand, eight hundred sixty-nine".