22024646242 has 8 divisors (see below), whose sum is σ = 34980320556. Its totient is φ = 10364539392.

The previous prime is 22024646183. The next prime is 22024646249. The reversal of 22024646242 is 24264642022.

It can be written as a sum of positive squares in 2 ways, for example, as 21880622241 + 144024001 = 147921^2 + 12001^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 647783713 = 22024646242 / (2 + 2 + 0 + 2 + 4 + 6 + 4 + 6 + 2 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 22024646198 and 22024646207.

It is not an unprimeable number, because it can be changed into a prime (22024646249) 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, 323891823 + ... + 323891890.

Almost surely, 2^22024646242 is an apocalyptic number.

22024646242 is a deficient number, since it is larger than the sum of its proper divisors (12955674314).

22024646242 is a wasteful number, since it uses less digits than its factorization.

22024646242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647783732.

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 22024646242 in words is "twenty-two billion, twenty-four million, six hundred forty-six thousand, two hundred forty-two".