22275775 has 12 divisors (see below), whose sum is σ = 27768312. Its totient is φ = 17726240.

The previous prime is 22275769. The next prime is 22275787. The reversal of 22275775 is 57757222.

It is not a de Polignac number, because 22275775 - 2⁷ = 22275647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2664 + ... + 7186.

It is an arithmetic number, because the mean of its divisors is an integer number (2314026).

Almost surely, 2^22275775 is an apocalyptic number.

22275775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22275775 is a deficient number, since it is larger than the sum of its proper divisors (5492537).

22275775 is a wasteful number, since it uses less digits than its factorization.

22275775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4730 (or 4725 counting only the distinct ones).

The product of its digits is 68600, while the sum is 37.

The square root of 22275775 is about 4719.7219197745. The cubic root of 22275775 is about 281.3698814042.

The spelling of 22275775 in words is "twenty-two million, two hundred seventy-five thousand, seven hundred seventy-five".