22125454 has 8 divisors (see below), whose sum is σ = 35741160. Its totient is φ = 10211736.

The previous prime is 22125437. The next prime is 22125469. The reversal of 22125454 is 45452122.

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

It is a super-2 number, since 2×22125454² = 979071429412232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425464 + ... + 425515.

It is an arithmetic number, because the mean of its divisors is an integer number (4467645).

Almost surely, 2^22125454 is an apocalyptic number.

22125454 is a deficient number, since it is larger than the sum of its proper divisors (13615706).

22125454 is a wasteful number, since it uses less digits than its factorization.

22125454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850994.

The product of its digits is 3200, while the sum is 25.

The square root of 22125454 is about 4703.7701899646. The cubic root of 22125454 is about 280.7355405838.

Adding to 22125454 its reverse (45452122), we get a palindrome (67577576).

The spelling of 22125454 in words is "twenty-two million, one hundred twenty-five thousand, four hundred fifty-four".