75223122 has 32 divisors (see below), whose sum is σ = 162375360. Its totient is φ = 23094720.

The previous prime is 75223121. The next prime is 75223157. The reversal of 75223122 is 22132257.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 75223092 and 75223101.

It is not an unprimeable number, because it can be changed into a prime (75223121) 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 15 ways as a sum of consecutive naturals, for example, 50829 + ... + 52287.

It is an arithmetic number, because the mean of its divisors is an integer number (5074230).

Almost surely, 2^75223122 is an apocalyptic number.

75223122 is an abundant number, since it is smaller than the sum of its proper divisors (87152238).

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

75223122 is a wasteful number, since it uses less digits than its factorization.

75223122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138.

The product of its digits is 1680, while the sum is 24.

The square root of 75223122 is about 8673.1264259205. The cubic root of 75223122 is about 422.1341150361.

Adding to 75223122 its reverse (22132257), we get a palindrome (97355379).

The spelling of 75223122 in words is "seventy-five million, two hundred twenty-three thousand, one hundred twenty-two".