22135454 has 16 divisors (see below), whose sum is σ = 37065600. Its totient is φ = 9827160.

The previous prime is 22135447. The next prime is 22135459. The reversal of 22135454 is 45453122.

It is a happy number.

It is a super-2 number, since 2×22135454² = 979956647572232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22135459) 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, 10754 + ... + 12645.

It is an arithmetic number, because the mean of its divisors is an integer number (2316600).

Almost surely, 2^22135454 is an apocalyptic number.

22135454 is a deficient number, since it is larger than the sum of its proper divisors (14930146).

22135454 is a wasteful number, since it uses less digits than its factorization.

22135454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23455.

The product of its digits is 4800, while the sum is 26.

The square root of 22135454 is about 4704.8330469848. The cubic root of 22135454 is about 280.7778287189. Note that the first 3 decimals are identical.

Adding to 22135454 its reverse (45453122), we get a palindrome (67588576).

It can be divided in two parts, 2213 and 5454, that added together give a palindrome (7667).

The spelling of 22135454 in words is "twenty-two million, one hundred thirty-five thousand, four hundred fifty-four".