422001072 has 30 divisors (see below), whose sum is σ = 1181017292. Its totient is φ = 140666976.

The previous prime is 422001049. The next prime is 422001113. The reversal of 422001072 is 270100224.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1465138 + ... + 1465425.

Almost surely, 2^422001072 is an apocalyptic number.

It is an amenable number.

422001072 is an abundant number, since it is smaller than the sum of its proper divisors (759016220).

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

422001072 is a wasteful number, since it uses less digits than its factorization.

422001072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930577 (or 2930568 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 422001072 is about 20542.6646762293. The cubic root of 422001072 is about 750.0747018926.

Adding to 422001072 its reverse (270100224), we get a palindrome (692101296).

The spelling of 422001072 in words is "four hundred twenty-two million, one thousand, seventy-two".