422422450 has 24 divisors (see below), whose sum is σ = 790992900. Its totient is φ = 167832000.

The previous prime is 422422397. The next prime is 422422453. The reversal of 422422450 is 54224224.

It can be written as a sum of positive squares in 6 ways, for example, as 96294969 + 326127481 = 9813^2 + 18059^2 .

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 (422422453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20901 + ... + 35800.

Almost surely, 2^422422450 is an apocalyptic number.

422422450 is a deficient number, since it is larger than the sum of its proper divisors (368570450).

422422450 is a wasteful number, since it uses less digits than its factorization.

422422450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56862 (or 56857 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 422422450 is about 20552.9182842729. The cubic root of 422422450 is about 750.3242745893.

Adding to 422422450 its reverse (54224224), we get a palindrome (476646674).

The spelling of 422422450 in words is "four hundred twenty-two million, four hundred twenty-two thousand, four hundred fifty".