22270075 has 6 divisors (see below), whose sum is σ = 27614924. Its totient is φ = 17816040.

The previous prime is 22270019. The next prime is 22270097. The reversal of 22270075 is 57007222.

It is not a de Polignac number, because 22270075 - 2¹⁵ = 22237307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 890803 = 22270075 / (2 + 2 + 2 + 7 + 0 + 0 + 7 + 5).

It is a Duffinian 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, 445377 + ... + 445426.

Almost surely, 2^22270075 is an apocalyptic number.

22270075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22270075 is a deficient number, since it is larger than the sum of its proper divisors (5344849).

22270075 is an equidigital number, since it uses as much as digits as its factorization.

22270075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890813 (or 890808 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 22270075 is about 4719.1180320056. The cubic root of 22270075 is about 281.3458800673.

Adding to 22270075 its reverse (57007222), we get a palindrome (79277297).

The spelling of 22270075 in words is "twenty-two million, two hundred seventy thousand, seventy-five".