7220622 has 8 divisors (see below), whose sum is σ = 14441256. Its totient is φ = 2406872.

The previous prime is 7220621. The next prime is 7220671. The reversal of 7220622 is 2260227.

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

7220622 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601713 + ... + 601724.

It is an arithmetic number, because the mean of its divisors is an integer number (1805157).

Almost surely, 2^7220622 is an apocalyptic number.

7220622 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.

7220622 is a wasteful number, since it uses less digits than its factorization.

7220622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203442.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 7220622 is about 2687.1215082314. The cubic root of 7220622 is about 193.2820560272.

Adding to 7220622 its reverse (2260227), we get a palindrome (9480849).

The spelling of 7220622 in words is "seven million, two hundred twenty thousand, six hundred twenty-two".