422145404 has 24 divisors (see below), whose sum is σ = 776780928. Its totient is φ = 200348720.

The previous prime is 422145403. The next prime is 422145421. The reversal of 422145404 is 404541224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422145403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5462 + ... + 29565.

It is an arithmetic number, because the mean of its divisors is an integer number (32365872).

Almost surely, 2^422145404 is an apocalyptic number.

It is an amenable number.

422145404 is a deficient number, since it is larger than the sum of its proper divisors (354635524).

422145404 is a wasteful number, since it uses less digits than its factorization.

422145404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35185 (or 35183 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 422145404 is about 20546.1773573577. The cubic root of 422145404 is about 750.1602051840.

Adding to 422145404 its reverse (404541224), we get a palindrome (826686628).

The spelling of 422145404 in words is "four hundred twenty-two million, one hundred forty-five thousand, four hundred four".