18629222 has 8 divisors (see below), whose sum is σ = 28024056. Its totient is φ = 9287872.

The previous prime is 18629207. The next prime is 18629231. The reversal of 18629222 is 22292681.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12488 + ... + 13899.

It is an arithmetic number, because the mean of its divisors is an integer number (3503007).

Almost surely, 2^18629222 is an apocalyptic number.

18629222 is a deficient number, since it is larger than the sum of its proper divisors (9394834).

18629222 is a wasteful number, since it uses less digits than its factorization.

18629222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26742.

The product of its digits is 6912, while the sum is 32.

The square root of 18629222 is about 4316.1582454771. The cubic root of 18629222 is about 265.0929874219.

The spelling of 18629222 in words is "eighteen million, six hundred twenty-nine thousand, two hundred twenty-two".