7252222 has 16 divisors (see below), whose sum is σ = 11660832. Its totient is φ = 3373920.

The previous prime is 7252207. The next prime is 7252237. The reversal of 7252222 is 2222527.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7252207) and next prime (7252237).

It is a junction number, because it is equal to n+sod(n) for n = 7252193 and 7252202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429 + ... + 3832.

It is an arithmetic number, because the mean of its divisors is an integer number (728802).

Almost surely, 2^7252222 is an apocalyptic number.

7252222 is a deficient number, since it is larger than the sum of its proper divisors (4408610).

7252222 is a wasteful number, since it uses less digits than its factorization.

7252222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323.

The product of its digits is 1120, while the sum is 22.

The square root of 7252222 is about 2692.9949869987. The cubic root of 7252222 is about 193.5636026276.

Adding to 7252222 its reverse (2222527), we get a palindrome (9474749).

The spelling of 7252222 in words is "seven million, two hundred fifty-two thousand, two hundred twenty-two".