22491213634 has 8 divisors (see below), whose sum is σ = 35512442640. Its totient is φ = 10653732756.

The previous prime is 22491213631. The next prime is 22491213659. The reversal of 22491213634 is 43631219422.

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

It is a junction number, because it is equal to n+sod(n) for n = 22491213593 and 22491213602.

It is not an unprimeable number, because it can be changed into a prime (22491213631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295936984 + ... + 295937059.

It is an arithmetic number, because the mean of its divisors is an integer number (4439055330).

Almost surely, 2^22491213634 is an apocalyptic number.

22491213634 is a deficient number, since it is larger than the sum of its proper divisors (13021229006).

22491213634 is a wasteful number, since it uses less digits than its factorization.

22491213634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591874064.

The product of its digits is 62208, while the sum is 37.

The spelling of 22491213634 in words is "twenty-two billion, four hundred ninety-one million, two hundred thirteen thousand, six hundred thirty-four".