201622036 has 48 divisors (see below), whose sum is σ = 455091840. Its totient is φ = 75841920.

The previous prime is 201622033. The next prime is 201622039. The reversal of 201622036 is 630226102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201622033) and next prime (201622039).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 201621998 and 201622016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201622033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2355 + ... + 20218.

It is an arithmetic number, because the mean of its divisors is an integer number (9481080).

Almost surely, 2^201622036 is an apocalyptic number.

It is an amenable number.

201622036 is an abundant number, since it is smaller than the sum of its proper divisors (253469804).

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

201622036 is a wasteful number, since it uses less digits than its factorization.

201622036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22624 (or 22622 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 201622036 is about 14199.3674507000. The cubic root of 201622036 is about 586.3802468674.

Adding to 201622036 its reverse (630226102), we get a palindrome (831848138).

The spelling of 201622036 in words is "two hundred one million, six hundred twenty-two thousand, thirty-six".