75222255 has 16 divisors (see below), whose sum is σ = 120468960. Its totient is φ = 40080768.

The previous prime is 75222253. The next prime is 75222269. The reversal of 75222255 is 55222257.

It is not a de Polignac number, because 75222255 - 2¹ = 75222253 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75222253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22641 + ... + 25749.

It is an arithmetic number, because the mean of its divisors is an integer number (7529310).

Almost surely, 2^75222255 is an apocalyptic number.

75222255 is a deficient number, since it is larger than the sum of its proper divisors (45246705).

75222255 is a wasteful number, since it uses less digits than its factorization.

75222255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730.

The product of its digits is 14000, while the sum is 30.

The square root of 75222255 is about 8673.0764438001. The cubic root of 75222255 is about 422.1324932312.

The spelling of 75222255 in words is "seventy-five million, two hundred twenty-two thousand, two hundred fifty-five".