422156536 has 32 divisors (see below), whose sum is σ = 827366400. Its totient is φ = 201556960.

The previous prime is 422156531. The next prime is 422156561. The reversal of 422156536 is 635651224.

It is a super-2 number, since 2×422156536² = 356432281775038592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422156531) 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, 130701 + ... + 133891.

It is an arithmetic number, because the mean of its divisors is an integer number (25855200).

Almost surely, 2^422156536 is an apocalyptic number.

422156536 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

422156536 is a deficient number, since it is larger than the sum of its proper divisors (405209864).

422156536 is a wasteful number, since it uses less digits than its factorization.

422156536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939 (or 3935 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 422156536 is about 20546.4482575456. The cubic root of 422156536 is about 750.1667990495.

The spelling of 422156536 in words is "four hundred twenty-two million, one hundred fifty-six thousand, five hundred thirty-six".