22135469 has 4 divisors (see below), whose sum is σ = 22172544. Its totient is φ = 22098396.

The previous prime is 22135459. The next prime is 22135481. The reversal of 22135469 is 96453122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22135469 - 2²⁰ = 21086893 is a prime.

It is a super-2 number, since 2×22135469² = 979957975699922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22135409) 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, 17627 + ... + 18840.

It is an arithmetic number, because the mean of its divisors is an integer number (5543136).

Almost surely, 2^22135469 is an apocalyptic number.

It is an amenable number.

22135469 is a deficient number, since it is larger than the sum of its proper divisors (37075).

22135469 is an equidigital number, since it uses as much as digits as its factorization.

22135469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37074.

The product of its digits is 12960, while the sum is 32.

The square root of 22135469 is about 4704.8346410900. The cubic root of 22135469 is about 280.7778921415. Note that the first 3 decimals are identical.

The spelling of 22135469 in words is "twenty-two million, one hundred thirty-five thousand, four hundred sixty-nine".