422134154 has 16 divisors (see below), whose sum is σ = 684748680. Its totient is φ = 194019840.

The previous prime is 422134151. The next prime is 422134177. The reversal of 422134154 is 451431224.

It can be written as a sum of positive squares in 4 ways, for example, as 192460129 + 229674025 = 13873^2 + 15155^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (422134151) 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 in 7 ways as a sum of consecutive naturals, for example, 27419 + ... + 39950.

Almost surely, 2^422134154 is an apocalyptic number.

422134154 is a deficient number, since it is larger than the sum of its proper divisors (262614526).

422134154 is a wasteful number, since it uses less digits than its factorization.

422134154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67625.

The product of its digits is 3840, while the sum is 26.

The square root of 422134154 is about 20545.9035819795. The cubic root of 422134154 is about 750.1535413054.

Adding to 422134154 its reverse (451431224), we get a palindrome (873565378).

The spelling of 422134154 in words is "four hundred twenty-two million, one hundred thirty-four thousand, one hundred fifty-four".