75641222 has 12 divisors (see below), whose sum is σ = 117511836. Its totient is φ = 36515640.

The previous prime is 75641207. The next prime is 75641231. The reversal of 75641222 is 22214657.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20804 + ... + 24167.

It is an arithmetic number, because the mean of its divisors is an integer number (9792653).

Almost surely, 2^75641222 is an apocalyptic number.

75641222 is a deficient number, since it is larger than the sum of its proper divisors (41870614).

75641222 is a wasteful number, since it uses less digits than its factorization.

75641222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45031 (or 45002 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 75641222 is about 8697.1962148729. The cubic root of 75641222 is about 422.9147628032.

Adding to 75641222 its reverse (22214657), we get a palindrome (97855879).

The spelling of 75641222 in words is "seventy-five million, six hundred forty-one thousand, two hundred twenty-two".