75132222 has 16 divisors (see below), whose sum is σ = 163924992. Its totient is φ = 22767320.

The previous prime is 75132209. The next prime is 75132227. The reversal of 75132222 is 22223157.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 75132192 and 75132201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75132227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569118 + ... + 569249.

It is an arithmetic number, because the mean of its divisors is an integer number (10245312).

Almost surely, 2^75132222 is an apocalyptic number.

75132222 is an abundant number, since it is smaller than the sum of its proper divisors (88792770).

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

75132222 is a wasteful number, since it uses less digits than its factorization.

75132222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138383.

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

The square root of 75132222 is about 8667.8845169972. The cubic root of 75132222 is about 421.9640101679.

Adding to 75132222 its reverse (22223157), we get a palindrome (97355379).

The spelling of 75132222 in words is "seventy-five million, one hundred thirty-two thousand, two hundred twenty-two".