207422434 has 16 divisors (see below), whose sum is σ = 314529336. Its totient is φ = 102585600.

The previous prime is 207422431. The next prime is 207422473. The reversal of 207422434 is 434224702.

It can be written as a sum of positive squares in 4 ways, for example, as 164480625 + 42941809 = 12825^2 + 6553^2 .

It is a super-2 number, since 2×207422434² = 86048132252968712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (207422431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74304 + ... + 77044.

Almost surely, 2^207422434 is an apocalyptic number.

207422434 is a deficient number, since it is larger than the sum of its proper divisors (107106902).

207422434 is a wasteful number, since it uses less digits than its factorization.

207422434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 207422434 is about 14402.1676840676. The cubic root of 207422434 is about 591.9502960005.

The spelling of 207422434 in words is "two hundred seven million, four hundred twenty-two thousand, four hundred thirty-four".