18622030 has 16 divisors (see below), whose sum is σ = 38308320. Its totient is φ = 6384672.

The previous prime is 18622013. The next prime is 18622067. The reversal of 18622030 is 3022681.

It is a junction number, because it is equal to n+sod(n) for n = 18621992 and 18622010.

It is a congruent number.

It is an unprimeable number.

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, 132945 + ... + 133084.

It is an arithmetic number, because the mean of its divisors is an integer number (2394270).

Almost surely, 2^18622030 is an apocalyptic number.

18622030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18622030 is an abundant number, since it is smaller than the sum of its proper divisors (19686290).

18622030 is a wasteful number, since it uses less digits than its factorization.

18622030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266043.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 18622030 is about 4315.3250167282. The cubic root of 18622030 is about 265.0588690859.

The spelling of 18622030 in words is "eighteen million, six hundred twenty-two thousand, thirty".