422571540 has 48 divisors (see below), whose sum is σ = 1221373440. Its totient is φ = 109050240.

The previous prime is 422571529. The next prime is 422571551. The reversal of 422571540 is 45175224.

It is an interprime number because it is at equal distance from previous prime (422571529) and next prime (422571551).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 422571498 and 422571507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111735 + ... + 115454.

It is an arithmetic number, because the mean of its divisors is an integer number (25445280).

Almost surely, 2^422571540 is an apocalyptic number.

It is an amenable number.

422571540 is an abundant number, since it is smaller than the sum of its proper divisors (798801900).

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

422571540 is a wasteful number, since it uses less digits than its factorization.

422571540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227232 (or 227230 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 422571540 is about 20556.5449431562. The cubic root of 422571540 is about 750.4125374866.

The spelling of 422571540 in words is "four hundred twenty-two million, five hundred seventy-one thousand, five hundred forty".