148458222 has 48 divisors (see below), whose sum is σ = 355380480. Its totient is φ = 44413200.

The previous prime is 148458203. The next prime is 148458223. The reversal of 148458222 is 222854841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148458223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10897 + ... + 20387.

It is an arithmetic number, because the mean of its divisors is an integer number (7403760).

Almost surely, 2^148458222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148458222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177690240).

148458222 is an abundant number, since it is smaller than the sum of its proper divisors (206922258).

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

148458222 is a wasteful number, since it uses less digits than its factorization.

148458222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9589 (or 9586 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 148458222 is about 12184.3433142702. The cubic root of 148458222 is about 529.5025854079.

The spelling of 148458222 in words is "one hundred forty-eight million, four hundred fifty-eight thousand, two hundred twenty-two".