30422236 has 12 divisors (see below), whose sum is σ = 57334312. Its totient is φ = 14041008.

The previous prime is 30422219. The next prime is 30422237. The reversal of 30422236 is 63222403.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30422237) 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, 292470 + ... + 292573.

Almost surely, 2^30422236 is an apocalyptic number.

It is an amenable number.

30422236 is a deficient number, since it is larger than the sum of its proper divisors (26912076).

30422236 is a wasteful number, since it uses less digits than its factorization.

30422236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585060 (or 585058 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 30422236 is about 5515.6355934742. The cubic root of 30422236 is about 312.1742260530.

Adding to 30422236 its reverse (63222403), we get a palindrome (93644639).

The spelling of 30422236 in words is "thirty million, four hundred twenty-two thousand, two hundred thirty-six".