154225422 has 48 divisors (see below), whose sum is σ = 372284640. Its totient is φ = 45815616.

The previous prime is 154225381. The next prime is 154225427. The reversal of 154225422 is 224522451.

154225422 is a `hidden beast` number, since 15 + 4 + 225 + 422 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154225427) 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, 4578 + ... + 18149.

It is an arithmetic number, because the mean of its divisors is an integer number (7755930).

Almost surely, 2^154225422 is an apocalyptic number.

154225422 is an abundant number, since it is smaller than the sum of its proper divisors (218059218).

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

154225422 is a wasteful number, since it uses less digits than its factorization.

154225422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22777 (or 22774 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 154225422 is about 12418.7528359332. The cubic root of 154225422 is about 536.2722474347.

Adding to 154225422 its reverse (224522451), we get a palindrome (378747873).

The spelling of 154225422 in words is "one hundred fifty-four million, two hundred twenty-five thousand, four hundred twenty-two".