22261404635 has 4 divisors (see below), whose sum is σ = 26713685568. Its totient is φ = 17809123704.

The previous prime is 22261404617. The next prime is 22261404661. The reversal of 22261404635 is 53640416222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22261404635 - 2¹⁶ = 22261339099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22261404595 and 22261404604.

It is an unprimeable number.

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, 2226140459 + ... + 2226140468.

It is an arithmetic number, because the mean of its divisors is an integer number (6678421392).

Almost surely, 2^22261404635 is an apocalyptic number.

22261404635 is a deficient number, since it is larger than the sum of its proper divisors (4452280933).

22261404635 is an equidigital number, since it uses as much as digits as its factorization.

22261404635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4452280932.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 22261404635 in words is "twenty-two billion, two hundred sixty-one million, four hundred four thousand, six hundred thirty-five".