7302222 has 12 divisors (see below), whose sum is σ = 15821520. Its totient is φ = 2434068.

The previous prime is 7302187. The next prime is 7302241. The reversal of 7302222 is 2222037.

It is a super-2 number, since 2×7302222² = 106644892274568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 405679 = 7302222 / (7 + 3 + 0 + 2 + 2 + 2 + 2).

7302222 is a modest number, since divided by 2222 gives 730 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 7302195 and 7302204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 202822 + ... + 202857.

It is an arithmetic number, because the mean of its divisors is an integer number (1318460).

Almost surely, 2^7302222 is an apocalyptic number.

7302222 is an abundant number, since it is smaller than the sum of its proper divisors (8519298).

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

7302222 is a wasteful number, since it uses less digits than its factorization.

7302222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405687 (or 405684 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 7302222 is about 2702.2623854837. The cubic root of 7302222 is about 194.0074216879.

Adding to 7302222 its reverse (2222037), we get a palindrome (9524259).

The spelling of 7302222 in words is "seven million, three hundred two thousand, two hundred twenty-two".