422302442 has 4 divisors (see below), whose sum is σ = 633453666. Its totient is φ = 211151220.

The previous prime is 422302427. The next prime is 422302453. The reversal of 422302442 is 244203224.

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., 369754441 + 52548001 = 19229^2 + 7249^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105575609 + ... + 105575612.

Almost surely, 2^422302442 is an apocalyptic number.

422302442 is a deficient number, since it is larger than the sum of its proper divisors (211151224).

422302442 is a wasteful number, since it uses less digits than its factorization.

422302442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211151223.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 422302442 is about 20549.9985888077. The cubic root of 422302442 is about 750.2532134639.

Adding to 422302442 its reverse (244203224), we get a palindrome (666505666).

The spelling of 422302442 in words is "four hundred twenty-two million, three hundred two thousand, four hundred forty-two".