422687016 has 48 divisors (see below), whose sum is σ = 1150244160. Its totient is φ = 140222880.

The previous prime is 422687003. The next prime is 422687047. The reversal of 422687016 is 610786224.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1281 + ... + 29103.

It is an arithmetic number, because the mean of its divisors is an integer number (23963420).

Almost surely, 2^422687016 is an apocalyptic number.

It is an amenable number.

422687016 is an abundant number, since it is smaller than the sum of its proper divisors (727557144).

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

422687016 is a wasteful number, since it uses less digits than its factorization.

422687016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28046 (or 28039 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 422687016 is about 20559.3534917808. The cubic root of 422687016 is about 750.4808862653.

It can be divided in two parts, 42268 and 7016, that added together give a square (49284 = 222²).

The spelling of 422687016 in words is "four hundred twenty-two million, six hundred eighty-seven thousand, sixteen".