18670022 has 16 divisors (see below), whose sum is σ = 32136480. Its totient is φ = 7968768.

The previous prime is 18670021. The next prime is 18670033. The reversal of 18670022 is 22007681.

It is a junction number, because it is equal to n+sod(n) for n = 18669973 and 18670000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18670021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1004 + ... + 6192.

It is an arithmetic number, because the mean of its divisors is an integer number (2008530).

Almost surely, 2^18670022 is an apocalyptic number.

18670022 is a deficient number, since it is larger than the sum of its proper divisors (13466458).

18670022 is a wasteful number, since it uses less digits than its factorization.

18670022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5455.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 18670022 is about 4320.8820858709. The cubic root of 18670022 is about 265.2863736972.

The spelling of 18670022 in words is "eighteen million, six hundred seventy thousand, twenty-two".