22135436023 has 8 divisors (see below), whose sum is σ = 22576333808. Its totient is φ = 21698259264.

The previous prime is 22135436009. The next prime is 22135436027. The reversal of 22135436023 is 32063453122.

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

It is a cyclic number.

It is not a de Polignac number, because 22135436023 - 2⁵ = 22135435991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22135436027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 918240 + ... + 942037.

It is an arithmetic number, because the mean of its divisors is an integer number (2822041726).

Almost surely, 2^22135436023 is an apocalyptic number.

22135436023 is a deficient number, since it is larger than the sum of its proper divisors (440897785).

22135436023 is a wasteful number, since it uses less digits than its factorization.

22135436023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860513.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 22135436023 its reverse (32063453122), we get a palindrome (54198889145).

The spelling of 22135436023 in words is "twenty-two billion, one hundred thirty-five million, four hundred thirty-six thousand, twenty-three".