7407222 has 8 divisors (see below), whose sum is σ = 14814456. Its totient is φ = 2469072.

The previous prime is 7407187. The next prime is 7407229. The reversal of 7407222 is 2227047.

It is a sphenic number, since it is the product of 3 distinct primes.

7407222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 7407192 and 7407201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7407229) 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 in 3 ways as a sum of consecutive naturals, for example, 617263 + ... + 617274.

It is an arithmetic number, because the mean of its divisors is an integer number (1851807).

Almost surely, 2^7407222 is an apocalyptic number.

7407222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7407222 is a wasteful number, since it uses less digits than its factorization.

7407222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234542.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 7407222 is about 2721.6212080302. The cubic root of 7407222 is about 194.9328894636.

The spelling of 7407222 in words is "seven million, four hundred seven thousand, two hundred twenty-two".