22225699749 has 48 divisors (see below), whose sum is σ = 34348643840. Its totient is φ = 12738448800.

The previous prime is 22225699747. The next prime is 22225699759. The reversal of 22225699749 is 94799652222.

It is not a de Polignac number, because 22225699749 - 2¹ = 22225699747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22225699747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4349454 + ... + 4354560.

Almost surely, 2^22225699749 is an apocalyptic number.

It is an amenable number.

22225699749 is a deficient number, since it is larger than the sum of its proper divisors (12122944091).

22225699749 is a wasteful number, since it uses less digits than its factorization.

22225699749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782 (or 5771 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 57.

The spelling of 22225699749 in words is "twenty-two billion, two hundred twenty-five million, six hundred ninety-nine thousand, seven hundred forty-nine".