2001622230 has 24 divisors (see below), whose sum is σ = 5204218032. Its totient is φ = 533765904.

The previous prime is 2001622199. The next prime is 2001622237. The reversal of 2001622230 is 322261002.

2001622230 is a `hidden beast` number, since 20 + 0 + 1 + 622 + 23 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001622237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11120034 + ... + 11120213.

It is an arithmetic number, because the mean of its divisors is an integer number (216842418).

Almost surely, 2^2001622230 is an apocalyptic number.

2001622230 is an abundant number, since it is smaller than the sum of its proper divisors (3202595802).

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

2001622230 is a wasteful number, since it uses less digits than its factorization.

2001622230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22240260 (or 22240257 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2001622230 is about 44739.4929564473. The cubic root of 2001622230 is about 1260.2616047892.

Adding to 2001622230 its reverse (322261002), we get a palindrome (2323883232).

The spelling of 2001622230 in words is "two billion, one million, six hundred twenty-two thousand, two hundred thirty".