22222075 has 12 divisors (see below), whose sum is σ = 27637120. Its totient is φ = 17724960.

The previous prime is 22222063. The next prime is 22222087. The reversal of 22222075 is 57022222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22222063) and next prime (22222087).

It is not a de Polignac number, because 22222075 - 2¹¹ = 22220027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8806 + ... + 11044.

Almost surely, 2^22222075 is an apocalyptic number.

22222075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22222075 is a deficient number, since it is larger than the sum of its proper divisors (5415045).

22222075 is a wasteful number, since it uses less digits than its factorization.

22222075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646 (or 2641 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 22222075 is about 4714.0295926097. The cubic root of 22222075 is about 281.1436009057.

Adding to 22222075 its reverse (57022222), we get a palindrome (79244297).

The spelling of 22222075 in words is "twenty-two million, two hundred twenty-two thousand, seventy-five".