38355222 has 32 divisors (see below), whose sum is σ = 78982272. Its totient is φ = 12412224.

The previous prime is 38355221. The next prime is 38355227. The reversal of 38355222 is 22255383.

It is a super-2 number, since 2×38355222² = 2942246109338568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38355222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38355221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28693 + ... + 29999.

It is an arithmetic number, because the mean of its divisors is an integer number (2468196).

Almost surely, 2^38355222 is an apocalyptic number.

38355222 is an abundant number, since it is smaller than the sum of its proper divisors (40627050).

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

38355222 is a wasteful number, since it uses less digits than its factorization.

38355222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452.

The product of its digits is 14400, while the sum is 30.

The square root of 38355222 is about 6193.1592907013. The cubic root of 38355222 is about 337.2418789073.

The spelling of 38355222 in words is "thirty-eight million, three hundred fifty-five thousand, two hundred twenty-two".