22148354 has 8 divisors (see below), whose sum is σ = 33995280. Its totient is φ = 10816596.

The previous prime is 22148341. The next prime is 22148359. The reversal of 22148354 is 45384122.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (22148359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128684 + ... + 128855.

It is an arithmetic number, because the mean of its divisors is an integer number (4249410).

Almost surely, 2^22148354 is an apocalyptic number.

22148354 is a deficient number, since it is larger than the sum of its proper divisors (11846926).

22148354 is a wasteful number, since it uses less digits than its factorization.

22148354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257584.

The product of its digits is 7680, while the sum is 29.

The square root of 22148354 is about 4706.2037779935. The cubic root of 22148354 is about 280.8323616055.

The spelling of 22148354 in words is "twenty-two million, one hundred forty-eight thousand, three hundred fifty-four".