18226350 has 96 divisors (see below), whose sum is σ = 52496640. Its totient is φ = 4641120.

The previous prime is 18226337. The next prime is 18226361. The reversal of 18226350 is 5362281.

18226350 = T₁₁₉₅ + T₁₁₉₆ + ... + T₁₂₁₉.

18226350 is a `hidden beast` number, since 1 + 8 + 22 + 635 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30757 + ... + 31343.

It is an arithmetic number, because the mean of its divisors is an integer number (546840).

Almost surely, 2^18226350 is an apocalyptic number.

18226350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18226350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26248320).

18226350 is an abundant number, since it is smaller than the sum of its proper divisors (34270290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18226350 is a wasteful number, since it uses less digits than its factorization.

18226350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 18226350 is about 4269.2329521824. The cubic root of 18226350 is about 263.1680940959.

The spelling of 18226350 in words is "eighteen million, two hundred twenty-six thousand, three hundred fifty".