22132454 has 8 divisors (see below), whose sum is σ = 34946040. Its totient is φ = 10483776.

The previous prime is 22132399. The next prime is 22132457. The reversal of 22132454 is 45423122.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22132457) 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, 291179 + ... + 291254.

It is an arithmetic number, because the mean of its divisors is an integer number (4368255).

Almost surely, 2^22132454 is an apocalyptic number.

22132454 is a deficient number, since it is larger than the sum of its proper divisors (12813586).

22132454 is a wasteful number, since it uses less digits than its factorization.

22132454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582454.

The product of its digits is 1920, while the sum is 23.

The square root of 22132454 is about 4704.5142150917. The cubic root of 22132454 is about 280.7651436159.

Adding to 22132454 its reverse (45423122), we get a palindrome (67555576).

The spelling of 22132454 in words is "twenty-two million, one hundred thirty-two thousand, four hundred fifty-four".