18850229 has 8 divisors (see below), whose sum is σ = 20118528. Its totient is φ = 17599680.

The previous prime is 18850219. The next prime is 18850231. The reversal of 18850229 is 92205881.

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

It is a cyclic number.

It is not a de Polignac number, because 18850229 - 2⁸ = 18849973 is a prime.

It is a super-2 number, since 2×18850229² = 710662266704882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18850219) 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, 2207 + ... + 6524.

It is an arithmetic number, because the mean of its divisors is an integer number (2514816).

Almost surely, 2^18850229 is an apocalyptic number.

It is an amenable number.

18850229 is a deficient number, since it is larger than the sum of its proper divisors (1268299).

18850229 is a wasteful number, since it uses less digits than its factorization.

18850229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8875.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 18850229 is about 4341.6850415478. The cubic root of 18850229 is about 266.1371755580.

The spelling of 18850229 in words is "eighteen million, eight hundred fifty thousand, two hundred twenty-nine".