201000322422 has 40 divisors (see below), whose sum is σ = 474094335000. Its totient is φ = 63473785056.

The previous prime is 201000322399. The next prime is 201000322427. The reversal of 201000322422 is 224223000102.

It is a super-2 number, since 2×201000322422² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201000322395 and 201000322404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000322427) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32648047 + ... + 32654202.

It is an arithmetic number, because the mean of its divisors is an integer number (11852358375).

Almost surely, 2^201000322422 is an apocalyptic number.

201000322422 is an abundant number, since it is smaller than the sum of its proper divisors (273094012578).

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

201000322422 is a wasteful number, since it uses less digits than its factorization.

201000322422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65302282 (or 65302273 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 201000322422 its reverse (224223000102), we get a palindrome (425223322524).

The spelling of 201000322422 in words is "two hundred one billion, three hundred twenty-two thousand, four hundred twenty-two".