38220336 has 200 divisors, whose sum is σ = 138276864. Its totient is φ = 9901440.

The previous prime is 38220331. The next prime is 38220337. The reversal of 38220336 is 63302283.

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

It is not an unprimeable number, because it can be changed into a prime (38220331) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 99601 + ... + 99983.

Almost surely, 2^38220336 is an apocalyptic number.

38220336 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38220336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69138432).

38220336 is an abundant number, since it is smaller than the sum of its proper divisors (100056528).

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

38220336 is a wasteful number, since it uses less digits than its factorization.

38220336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 38220336 is about 6182.2597810186. The cubic root of 38220336 is about 336.8460819774.

The spelling of 38220336 in words is "thirty-eight million, two hundred twenty thousand, three hundred thirty-six".