22148775 has 96 divisors (see below), whose sum is σ = 47020800. Its totient is φ = 10108800.

The previous prime is 22148767. The next prime is 22148801. The reversal of 22148775 is 57784122.

It is not a de Polignac number, because 22148775 - 2³ = 22148767 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 140997 + ... + 141153.

It is an arithmetic number, because the mean of its divisors is an integer number (489800).

Almost surely, 2^22148775 is an apocalyptic number.

22148775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22148775 is an abundant number, since it is smaller than the sum of its proper divisors (24872025).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22148775 is a wasteful number, since it uses less digits than its factorization.

22148775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 195 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 22148775 is about 4706.2485059759. The cubic root of 22148775 is about 280.8341409653.

The spelling of 22148775 in words is "twenty-two million, one hundred forty-eight thousand, seven hundred seventy-five".