146988222 has 16 divisors (see below), whose sum is σ = 311269392. Its totient is φ = 46113920.

The previous prime is 146988203. The next prime is 146988227. The reversal of 146988222 is 222889641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146988227) 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, 720429 + ... + 720632.

It is an arithmetic number, because the mean of its divisors is an integer number (19454337).

Almost surely, 2^146988222 is an apocalyptic number.

146988222 is an abundant number, since it is smaller than the sum of its proper divisors (164281170).

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

146988222 is a wasteful number, since it uses less digits than its factorization.

146988222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441083.

The product of its digits is 110592, while the sum is 42.

The square root of 146988222 is about 12123.8699267189. The cubic root of 146988222 is about 527.7491131870.

The spelling of 146988222 in words is "one hundred forty-six million, nine hundred eighty-eight thousand, two hundred twenty-two".