30422212 has 12 divisors (see below), whose sum is σ = 54243756. Its totient is φ = 14924000.

The previous prime is 30422201. The next prime is 30422219. The reversal of 30422212 is 21222403.

It can be written as a sum of positive squares in 2 ways, for example, as 10850436 + 19571776 = 3294^2 + 4424^2 .

It is not an unprimeable number, because it can be changed into a prime (30422219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71539 + ... + 71962.

It is an arithmetic number, because the mean of its divisors is an integer number (4520313).

Almost surely, 2^30422212 is an apocalyptic number.

It is an amenable number.

30422212 is a deficient number, since it is larger than the sum of its proper divisors (23821544).

30422212 is a wasteful number, since it uses less digits than its factorization.

30422212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143558 (or 143556 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 30422212 is about 5515.6334178406. The cubic root of 30422212 is about 312.1741439619.

Adding to 30422212 its reverse (21222403), we get a palindrome (51644615).

The spelling of 30422212 in words is "thirty million, four hundred twenty-two thousand, two hundred twelve".