434478922 has 4 divisors (see below), whose sum is σ = 651718386. Its totient is φ = 217239460.

The previous prime is 434478887. The next prime is 434478929. The reversal of 434478922 is 229874434.

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., 429774361 + 4704561 = 20731^2 + 2169^2 .

It is not an unprimeable number, because it can be changed into a prime (434478929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108619729 + ... + 108619732.

Almost surely, 2^434478922 is an apocalyptic number.

434478922 is a deficient number, since it is larger than the sum of its proper divisors (217239464).

434478922 is a wasteful number, since it uses less digits than its factorization.

434478922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217239463.

The product of its digits is 387072, while the sum is 43.

The square root of 434478922 is about 20844.1579825139. The cubic root of 434478922 is about 757.3958202132.

The spelling of 434478922 in words is "four hundred thirty-four million, four hundred seventy-eight thousand, nine hundred twenty-two".