146222170 has 16 divisors (see below), whose sum is σ = 268800768. Its totient is φ = 57244240.

The previous prime is 146222161. The next prime is 146222173. The reversal of 146222170 is 71222641.

146222170 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (146222173) 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, 155086 + ... + 156025.

It is an arithmetic number, because the mean of its divisors is an integer number (16800048).

Almost surely, 2^146222170 is an apocalyptic number.

146222170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146222170 is a deficient number, since it is larger than the sum of its proper divisors (122578598).

146222170 is a wasteful number, since it uses less digits than its factorization.

146222170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311165.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 146222170 is about 12092.2359388163. The cubic root of 146222170 is about 526.8307002985.

It can be divided in two parts, 1462 and 22170, that added together give a palindrome (23632).

The spelling of 146222170 in words is "one hundred forty-six million, two hundred twenty-two thousand, one hundred seventy".