73222532 has 6 divisors (see below), whose sum is σ = 128139438. Its totient is φ = 36611264.

The previous prime is 73222489. The next prime is 73222537. The reversal of 73222532 is 23522237.

It can be written as a sum of positive squares in only one way, i.e., 58736896 + 14485636 = 7664^2 + 3806^2 .

It is not an unprimeable number, because it can be changed into a prime (73222537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9152813 + ... + 9152820.

It is an arithmetic number, because the mean of its divisors is an integer number (21356573).

Almost surely, 2^73222532 is an apocalyptic number.

It is an amenable number.

73222532 is a deficient number, since it is larger than the sum of its proper divisors (54916906).

73222532 is a wasteful number, since it uses less digits than its factorization.

73222532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18305637 (or 18305635 counting only the distinct ones).

The product of its digits is 5040, while the sum is 26.

The square root of 73222532 is about 8557.0165361532. The cubic root of 73222532 is about 418.3581631409.

Adding to 73222532 its reverse (23522237), we get a palindrome (96744769).

The spelling of 73222532 in words is "seventy-three million, two hundred twenty-two thousand, five hundred thirty-two".