75222371 has 4 divisors (see below), whose sum is σ = 85968432. Its totient is φ = 64476312.

The previous prime is 75222281. The next prime is 75222373. The reversal of 75222371 is 17322257.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75222371 - 2¹⁸ = 74960227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75222373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5373020 + ... + 5373033.

It is an arithmetic number, because the mean of its divisors is an integer number (21492108).

Almost surely, 2^75222371 is an apocalyptic number.

75222371 is a deficient number, since it is larger than the sum of its proper divisors (10746061).

75222371 is a wasteful number, since it uses less digits than its factorization.

75222371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10746060.

The product of its digits is 5880, while the sum is 29.

The square root of 75222371 is about 8673.0831311593. The cubic root of 75222371 is about 422.1327102208.

The spelling of 75222371 in words is "seventy-five million, two hundred twenty-two thousand, three hundred seventy-one".