436422442 has 4 divisors (see below), whose sum is σ = 654633666. Its totient is φ = 218211220.

The previous prime is 436422391. The next prime is 436422443. The reversal of 436422442 is 244224634.

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., 357550281 + 78872161 = 18909^2 + 8881^2 .

It is not an unprimeable number, because it can be changed into a prime (436422443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109105609 + ... + 109105612.

Almost surely, 2^436422442 is an apocalyptic number.

436422442 is a deficient number, since it is larger than the sum of its proper divisors (218211224).

436422442 is a wasteful number, since it uses less digits than its factorization.

436422442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218211223.

The product of its digits is 36864, while the sum is 31.

The square root of 436422442 is about 20890.7262200240. The cubic root of 436422442 is about 758.5234732918.

The spelling of 436422442 in words is "four hundred thirty-six million, four hundred twenty-two thousand, four hundred forty-two".