73422212 has 6 divisors (see below), whose sum is σ = 128488878. Its totient is φ = 36711104.

The previous prime is 73422197. The next prime is 73422221. The reversal of 73422212 is 21222437.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 47554816 + 25867396 = 6896^2 + 5086^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9177773 + ... + 9177780.

It is an arithmetic number, because the mean of its divisors is an integer number (21414813).

Almost surely, 2^73422212 is an apocalyptic number.

It is an amenable number.

73422212 is a deficient number, since it is larger than the sum of its proper divisors (55066666).

73422212 is a wasteful number, since it uses less digits than its factorization.

73422212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18355557 (or 18355555 counting only the distinct ones).

The product of its digits is 1344, while the sum is 23.

The square root of 73422212 is about 8568.6762104773. The cubic root of 73422212 is about 418.7381096498.

Adding to 73422212 its reverse (21222437), we get a palindrome (94644649).

The spelling of 73422212 in words is "seventy-three million, four hundred twenty-two thousand, two hundred twelve".