22248775 has 6 divisors (see below), whose sum is σ = 27588512. Its totient is φ = 17799000.

The previous prime is 22248761. The next prime is 22248823. The reversal of 22248775 is 57784222.

It is a de Polignac number, because none of the positive numbers 2^k-22248775 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 444951 + ... + 445000.

Almost surely, 2^22248775 is an apocalyptic number.

22248775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22248775 is a deficient number, since it is larger than the sum of its proper divisors (5339737).

22248775 is an equidigital number, since it uses as much as digits as its factorization.

22248775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889961 (or 889956 counting only the distinct ones).

The product of its digits is 62720, while the sum is 37.

The square root of 22248775 is about 4716.8607145007. The cubic root of 22248775 is about 281.2561545978.

The spelling of 22248775 in words is "twenty-two million, two hundred forty-eight thousand, seven hundred seventy-five".