18229334 has 8 divisors (see below), whose sum is σ = 27980040. Its totient is φ = 8902656.

The previous prime is 18229331. The next prime is 18229361. The reversal of 18229334 is 43392281.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 18229334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18229331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105899 + ... + 106070.

It is an arithmetic number, because the mean of its divisors is an integer number (3497505).

Almost surely, 2^18229334 is an apocalyptic number.

18229334 is a deficient number, since it is larger than the sum of its proper divisors (9750706).

18229334 is a wasteful number, since it uses less digits than its factorization.

18229334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212014.

The product of its digits is 10368, while the sum is 32.

The square root of 18229334 is about 4269.5824151783. The cubic root of 18229334 is about 263.1824551856.

The spelling of 18229334 in words is "eighteen million, two hundred twenty-nine thousand, three hundred thirty-four".