30012222 has 16 divisors (see below), whose sum is σ = 60158592. Its totient is φ = 9981720.

The previous prime is 30012211. The next prime is 30012223. The reversal of 30012222 is 22221003.

It is a junction number, because it is equal to n+sod(n) for n = 30012198 and 30012207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012223) 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, 2554 + ... + 8157.

It is an arithmetic number, because the mean of its divisors is an integer number (3759912).

Almost surely, 2^30012222 is an apocalyptic number.

30012222 is an abundant number, since it is smaller than the sum of its proper divisors (30146370).

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

30012222 is a wasteful number, since it uses less digits than its factorization.

30012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11183.

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

The square root of 30012222 is about 5478.3411722893. The cubic root of 30012222 is about 310.7654410839.

Adding to 30012222 its reverse (22221003), we get a palindrome (52233225).

The spelling of 30012222 in words is "thirty million, twelve thousand, two hundred twenty-two".