149055222 has 8 divisors (see below), whose sum is σ = 298110456. Its totient is φ = 49685072.

The previous prime is 149055169. The next prime is 149055229. The reversal of 149055222 is 222550941.

It is a sphenic number, since it is the product of 3 distinct primes.

149055222 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 149055222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149055229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12421263 + ... + 12421274.

It is an arithmetic number, because the mean of its divisors is an integer number (37263807).

Almost surely, 2^149055222 is an apocalyptic number.

149055222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

149055222 is a wasteful number, since it uses less digits than its factorization.

149055222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24842542.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 149055222 is about 12208.8173874458. The cubic root of 149055222 is about 530.2114049249.

The spelling of 149055222 in words is "one hundred forty-nine million, fifty-five thousand, two hundred twenty-two".