30630622 has 32 divisors (see below), whose sum is σ = 53268480. Its totient is φ = 13063680.

The previous prime is 30630619. The next prime is 30630623. The reversal of 30630622 is 22603603.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 30630593 and 30630602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30630623) 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, 52798 + ... + 53374.

It is an arithmetic number, because the mean of its divisors is an integer number (1664640).

Almost surely, 2^30630622 is an apocalyptic number.

30630622 is a deficient number, since it is larger than the sum of its proper divisors (22637858).

30630622 is a wasteful number, since it uses less digits than its factorization.

30630622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 30630622 is about 5534.4938341279. The cubic root of 30630622 is about 312.8853809721.

The spelling of 30630622 in words is "thirty million, six hundred thirty thousand, six hundred twenty-two".