422134450 has 12 divisors (see below), whose sum is σ = 785170170. Its totient is φ = 168853760.

The previous prime is 422134441. The next prime is 422134451. The reversal of 422134450 is 54431224.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 331713369 + 90421081 = 18213^2 + 9509^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (422134451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4221295 + ... + 4221394.

Almost surely, 2^422134450 is an apocalyptic number.

422134450 is a deficient number, since it is larger than the sum of its proper divisors (363035720).

422134450 is a wasteful number, since it uses less digits than its factorization.

422134450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8442701 (or 8442696 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 422134450 is about 20545.9107853607. The cubic root of 422134450 is about 750.1537166409.

Adding to 422134450 its reverse (54431224), we get a palindrome (476565674).

The spelling of 422134450 in words is "four hundred twenty-two million, one hundred thirty-four thousand, four hundred fifty".