422078536 has 32 divisors (see below), whose sum is σ = 886682880. Its totient is φ = 186667200.

The previous prime is 422078519. The next prime is 422078539. The reversal of 422078536 is 635870224.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 422078495 and 422078504.

It is not an unprimeable number, because it can be changed into a prime (422078539) 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, 61560 + ... + 68071.

It is an arithmetic number, because the mean of its divisors is an integer number (27708840).

Almost surely, 2^422078536 is an apocalyptic number.

It is an amenable number.

422078536 is an abundant number, since it is smaller than the sum of its proper divisors (464604344).

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

422078536 is a wasteful number, since it uses less digits than its factorization.

422078536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129685 (or 129681 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 422078536 is about 20544.5500315777. The cubic root of 422078536 is about 750.1205945342.

The spelling of 422078536 in words is "four hundred twenty-two million, seventy-eight thousand, five hundred thirty-six".