18622126 has 4 divisors (see below), whose sum is σ = 27933192. Its totient is φ = 9311062.

The previous prime is 18622073. The next prime is 18622127. The reversal of 18622126 is 62122681.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 18622094 and 18622103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18622127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4655530 + ... + 4655533.

It is an arithmetic number, because the mean of its divisors is an integer number (6983298).

Almost surely, 2^18622126 is an apocalyptic number.

18622126 is a deficient number, since it is larger than the sum of its proper divisors (9311066).

18622126 is an equidigital number, since it uses as much as digits as its factorization.

18622126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9311065.

The product of its digits is 2304, while the sum is 28.

The square root of 18622126 is about 4315.3361398621. The cubic root of 18622126 is about 265.0593245609.

The spelling of 18622126 in words is "eighteen million, six hundred twenty-two thousand, one hundred twenty-six".