22404222421135 has 4 divisors (see below), whose sum is σ = 26885066905368. Its totient is φ = 17923377936904.

The previous prime is 22404222421111. The next prime is 22404222421169. The reversal of 22404222421135 is 53112422240422.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22404222421135 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22404222421135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2240422242109 + ... + 2240422242118.

It is an arithmetic number, because the mean of its divisors is an integer number (6721266726342).

Almost surely, 2^{22404222421135} is an apocalyptic number.

22404222421135 is a deficient number, since it is larger than the sum of its proper divisors (4480844484233).

22404222421135 is an equidigital number, since it uses as much as digits as its factorization.

22404222421135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480844484232.

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 22404222421135 its reverse (53112422240422), we get a palindrome (75516644661557).

The spelling of 22404222421135 in words is "twenty-two trillion, four hundred four billion, two hundred twenty-two million, four hundred twenty-one thousand, one hundred thirty-five".