22152454 has 8 divisors (see below), whose sum is σ = 33322320. Its totient is φ = 11045016.

The previous prime is 22152437. The next prime is 22152467. The reversal of 22152454 is 45425122.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14709 + ... + 16144.

It is an arithmetic number, because the mean of its divisors is an integer number (4165290).

Almost surely, 2^22152454 is an apocalyptic number.

22152454 is a deficient number, since it is larger than the sum of its proper divisors (11169866).

22152454 is a wasteful number, since it uses less digits than its factorization.

22152454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31214.

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

The square root of 22152454 is about 4706.6393530841. The cubic root of 22152454 is about 280.8496893287.

Adding to 22152454 its reverse (45425122), we get a palindrome (67577576).

The spelling of 22152454 in words is "twenty-two million, one hundred fifty-two thousand, four hundred fifty-four".