22148534 has 8 divisors (see below), whose sum is σ = 33324168. Its totient is φ = 11040480.

The previous prime is 22148479. The next prime is 22148543. The reversal of 22148534 is 43584122.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22148497 and 22148506.

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, 16067 + ... + 17390.

It is an arithmetic number, because the mean of its divisors is an integer number (4165521).

Almost surely, 2^22148534 is an apocalyptic number.

22148534 is a deficient number, since it is larger than the sum of its proper divisors (11175634).

22148534 is a wasteful number, since it uses less digits than its factorization.

22148534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33790.

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

The square root of 22148534 is about 4706.2229016484. Note that the first 3 decimals coincide. The cubic root of 22148534 is about 280.8331223797.

The spelling of 22148534 in words is "twenty-two million, one hundred forty-eight thousand, five hundred thirty-four".