22728395 has 8 divisors (see below), whose sum is σ = 27306720. Its totient is φ = 18160960.

The previous prime is 22728367. The next prime is 22728403. The reversal of 22728395 is 59382722.

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

It is not a de Polignac number, because 22728395 - 2¹⁶ = 22662859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2951 + ... + 7359.

It is an arithmetic number, because the mean of its divisors is an integer number (3413340).

Almost surely, 2^22728395 is an apocalyptic number.

22728395 is a deficient number, since it is larger than the sum of its proper divisors (4578325).

22728395 is a wasteful number, since it uses less digits than its factorization.

22728395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5445.

The product of its digits is 60480, while the sum is 38.

The square root of 22728395 is about 4767.4306497316. The cubic root of 22728395 is about 283.2628298240.

The spelling of 22728395 in words is "twenty-two million, seven hundred twenty-eight thousand, three hundred ninety-five".