154222200 has 144 divisors (see below), whose sum is σ = 565086600. Its totient is φ = 37382400.

The previous prime is 154222177. The next prime is 154222219. The reversal of 154222200 is 2222451.

154222200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15906 + ... + 23694.

Almost surely, 2^154222200 is an apocalyptic number.

154222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282543300).

154222200 is an abundant number, since it is smaller than the sum of its proper divisors (410864400).

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

154222200 is a wasteful number, since it uses less digits than its factorization.

154222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7822 (or 7810 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 154222200 is about 12418.6231120845. The cubic root of 154222200 is about 536.2685128986.

Adding to 154222200 its reverse (2222451), we get a palindrome (156444651).

The spelling of 154222200 in words is "one hundred fifty-four million, two hundred twenty-two thousand, two hundred".