7212322 has 16 divisors (see below), whose sum is σ = 11817792. Its totient is φ = 3281040.

The previous prime is 7212319. The next prime is 7212323. The reversal of 7212322 is 2232127.

It is a self number, because there is not a number n which added to its sum of digits gives 7212322.

It is not an unprimeable number, because it can be changed into a prime (7212323) 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, 108 + ... + 3799.

It is an arithmetic number, because the mean of its divisors is an integer number (738612).

Almost surely, 2^7212322 is an apocalyptic number.

7212322 is a deficient number, since it is larger than the sum of its proper divisors (4605470).

7212322 is a wasteful number, since it uses less digits than its factorization.

7212322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993.

The product of its digits is 336, while the sum is 19.

The square root of 7212322 is about 2685.5766606076. The cubic root of 7212322 is about 193.2079693284.

Adding to 7212322 its reverse (2232127), we get a palindrome (9444449).

The spelling of 7212322 in words is "seven million, two hundred twelve thousand, three hundred twenty-two".