30630022 has 16 divisors (see below), whose sum is σ = 48796560. Its totient is φ = 14370048.

The previous prime is 30630013. The next prime is 30630023. The reversal of 30630022 is 22003603.

It is a junction number, because it is equal to n+sod(n) for n = 30629978 and 30630005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30630023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11698 + ... + 14074.

It is an arithmetic number, because the mean of its divisors is an integer number (3049785).

Almost surely, 2^30630022 is an apocalyptic number.

30630022 is a deficient number, since it is larger than the sum of its proper divisors (18166538).

30630022 is a wasteful number, since it uses less digits than its factorization.

30630022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30630022 is about 5534.4396283635. The cubic root of 30630022 is about 312.8833380007.

Adding to 30630022 its reverse (22003603), we get a palindrome (52633625).

The spelling of 30630022 in words is "thirty million, six hundred thirty thousand, twenty-two".