67222275 has 12 divisors (see below), whose sum is σ = 111140952. Its totient is φ = 35851840.

The previous prime is 67222273. The next prime is 67222277. The reversal of 67222275 is 57222276.

It is an interprime number because it is at equal distance from previous prime (67222273) and next prime (67222277).

It is not a de Polignac number, because 67222275 - 2¹ = 67222273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67222271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 448074 + ... + 448223.

It is an arithmetic number, because the mean of its divisors is an integer number (9261746).

Almost surely, 2^67222275 is an apocalyptic number.

67222275 is a deficient number, since it is larger than the sum of its proper divisors (43918677).

67222275 is a wasteful number, since it uses less digits than its factorization.

67222275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896310 (or 896305 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 67222275 is about 8198.9191360813. The cubic root of 67222275 is about 406.6034588525.

Subtracting from 67222275 its reverse (57222276), we obtain a palindrome (9999999).

The spelling of 67222275 in words is "sixty-seven million, two hundred twenty-two thousand, two hundred seventy-five".