75261222 has 24 divisors (see below), whose sum is σ = 164048976. Its totient is φ = 24935856.

The previous prime is 75261217. The next prime is 75261229. The reversal of 75261222 is 22216257.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75261229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9513 + ... + 15524.

It is an arithmetic number, because the mean of its divisors is an integer number (6835374).

Almost surely, 2^75261222 is an apocalyptic number.

75261222 is an abundant number, since it is smaller than the sum of its proper divisors (88787754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75261222 is a wasteful number, since it uses less digits than its factorization.

75261222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25212 (or 25209 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 75261222 is about 8675.3225876621. The cubic root of 75261222 is about 422.2053723603.

Adding to 75261222 its reverse (22216257), we get a palindrome (97477479).

The spelling of 75261222 in words is "seventy-five million, two hundred sixty-one thousand, two hundred twenty-two".