22648691269 has 4 divisors (see below), whose sum is σ = 23980967244. Its totient is φ = 21316415296.

The previous prime is 22648691243. The next prime is 22648691279. The reversal of 22648691269 is 96219684622.

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 6933060225 + 15715631044 = 83265^2 + 125362^2 .

It is a cyclic number.

It is not a de Polignac number, because 22648691269 - 2³¹ = 20501207621 is a prime.

It is a super-2 number, since 2×22648691269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22648691279) 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 3 ways as a sum of consecutive naturals, for example, 666137962 + ... + 666137995.

It is an arithmetic number, because the mean of its divisors is an integer number (5995241811).

Almost surely, 2^22648691269 is an apocalyptic number.

It is an amenable number.

22648691269 is a deficient number, since it is larger than the sum of its proper divisors (1332275975).

22648691269 is a wasteful number, since it uses less digits than its factorization.

22648691269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332275974.

The product of its digits is 4478976, while the sum is 55.

The spelling of 22648691269 in words is "twenty-two billion, six hundred forty-eight million, six hundred ninety-one thousand, two hundred sixty-nine".