422145624 has 32 divisors (see below), whose sum is σ = 1056006000. Its totient is φ = 140629632.

The previous prime is 422145613. The next prime is 422145637. The reversal of 422145624 is 426541224.

It is a junction number, because it is equal to n+sod(n) for n = 422145591 and 422145600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44362 + ... + 53030.

Almost surely, 2^422145624 is an apocalyptic number.

It is an amenable number.

422145624 is an abundant number, since it is smaller than the sum of its proper divisors (633860376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422145624 is a wasteful number, since it uses less digits than its factorization.

422145624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10707 (or 10703 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 422145624 is about 20546.1827111510. The cubic root of 422145624 is about 750.1603354987.

Adding to 422145624 its reverse (426541224), we get a palindrome (848686848).

The spelling of 422145624 in words is "four hundred twenty-two million, one hundred forty-five thousand, six hundred twenty-four".