201000022 has 4 divisors (see below), whose sum is σ = 301500036. Its totient is φ = 100500010.

The previous prime is 200999983. The next prime is 201000049. The reversal of 201000022 is 220000102.

It is a happy number.

201000022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 200999969 and 201000014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50250004 + ... + 50250007.

It is an arithmetic number, because the mean of its divisors is an integer number (75375009).

Almost surely, 2^201000022 is an apocalyptic number.

201000022 is a deficient number, since it is larger than the sum of its proper divisors (100500014).

201000022 is a wasteful number, since it uses less digits than its factorization.

201000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100500013.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 201000022 is about 14177.4476546380. The cubic root of 201000022 is about 585.7766216367.

Adding to 201000022 its reverse (220000102), we get a palindrome (421000124).

The spelling of 201000022 in words is "two hundred one million, twenty-two", and thus it is an aban number.