30222286 has 16 divisors (see below), whose sum is σ = 46182528. Its totient is φ = 14830200.

The previous prime is 30222271. The next prime is 30222287. The reversal of 30222286 is 68222203.

It is a super-4 number, since 4×30222286⁴ (a number of 31 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30222286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222287) 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, 46681 + ... + 47323.

It is an arithmetic number, because the mean of its divisors is an integer number (2886408).

Almost surely, 2^30222286 is an apocalyptic number.

30222286 is a deficient number, since it is larger than the sum of its proper divisors (15960242).

30222286 is a wasteful number, since it uses less digits than its factorization.

30222286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 30222286 is about 5497.4799681309. The cubic root of 30222286 is about 311.4888010010.

Adding to 30222286 its reverse (68222203), we get a palindrome (98444489).

The spelling of 30222286 in words is "thirty million, two hundred twenty-two thousand, two hundred eighty-six".