22255375 has 16 divisors (see below), whose sum is σ = 28986048. Its totient is φ = 17028000.

The previous prime is 22255369. The next prime is 22255391. The reversal of 22255375 is 57355222.

It is not a de Polignac number, because 22255375 - 2³ = 22255367 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 15 ways as a sum of consecutive naturals, for example, 996 + ... + 6745.

It is an arithmetic number, because the mean of its divisors is an integer number (1811628).

Almost surely, 2^22255375 is an apocalyptic number.

22255375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22255375 is a deficient number, since it is larger than the sum of its proper divisors (6730673).

22255375 is an equidigital number, since it uses as much as digits as its factorization.

22255375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7779 (or 7769 counting only the distinct ones).

The product of its digits is 21000, while the sum is 31.

The square root of 22255375 is about 4717.5602804840. The cubic root of 22255375 is about 281.2839629767.

The spelling of 22255375 in words is "twenty-two million, two hundred fifty-five thousand, three hundred seventy-five".