424225154 has 4 divisors (see below), whose sum is σ = 636337734. Its totient is φ = 212112576.

The previous prime is 424225129. The next prime is 424225159. The reversal of 424225154 is 451522424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 259693225 + 164531929 = 16115^2 + 12827^2 .

It is not an unprimeable number, because it can be changed into a prime (424225159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056287 + ... + 106056290.

Almost surely, 2^424225154 is an apocalyptic number.

424225154 is a deficient number, since it is larger than the sum of its proper divisors (212112580).

424225154 is a wasteful number, since it uses less digits than its factorization.

424225154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212112579.

The product of its digits is 12800, while the sum is 29.

The square root of 424225154 is about 20596.7267787870. The cubic root of 424225154 is about 751.3901057347.

Adding to 424225154 its reverse (451522424), we get a palindrome (875747578).

The spelling of 424225154 in words is "four hundred twenty-four million, two hundred twenty-five thousand, one hundred fifty-four".