165222350 has 24 divisors (see below), whose sum is σ = 309537480. Its totient is φ = 65610720.

The previous prime is 165222329. The next prime is 165222389. The reversal of 165222350 is 53222561.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4937 + ... + 18836.

It is an arithmetic number, because the mean of its divisors is an integer number (12897395).

Almost surely, 2^165222350 is an apocalyptic number.

165222350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165222350 is a deficient number, since it is larger than the sum of its proper divisors (144315130).

165222350 is a wasteful number, since it uses less digits than its factorization.

165222350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23924 (or 23919 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 165222350 is about 12853.8846268356. The cubic root of 165222350 is about 548.7269177354.

The spelling of 165222350 in words is "one hundred sixty-five million, two hundred twenty-two thousand, three hundred fifty".