30222210 has 32 divisors (see below), whose sum is σ = 74875392. Its totient is φ = 7799040.

The previous prime is 30222187. The next prime is 30222211. The reversal of 30222210 is 1222203.

It is not an unprimeable number, because it can be changed into a prime (30222211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15319 + ... + 17178.

It is an arithmetic number, because the mean of its divisors is an integer number (2339856).

Almost surely, 2^30222210 is an apocalyptic number.

30222210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30222210 is an abundant number, since it is smaller than the sum of its proper divisors (44653182).

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

30222210 is a wasteful number, since it uses less digits than its factorization.

30222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32538.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 30222210 is about 5497.4730558685. The cubic root of 30222210 is about 311.4885399005.

Adding to 30222210 its reverse (1222203), we get a palindrome (31444413).

The spelling of 30222210 in words is "thirty million, two hundred twenty-two thousand, two hundred ten".