2001522626 has 8 divisors (see below), whose sum is σ = 3099131904. Its totient is φ = 968478660.

The previous prime is 2001522623. The next prime is 2001522641. The reversal of 2001522626 is 6262251002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2001522595 and 2001522604.

It is not an unprimeable number, because it can be changed into a prime (2001522623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16141250 + ... + 16141373.

It is an arithmetic number, because the mean of its divisors is an integer number (387391488).

Almost surely, 2^2001522626 is an apocalyptic number.

2001522626 is a deficient number, since it is larger than the sum of its proper divisors (1097609278).

2001522626 is a wasteful number, since it uses less digits than its factorization.

2001522626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32282656.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2001522626 is about 44738.3797873817. The cubic root of 2001522626 is about 1260.2407002154.

Adding to 2001522626 its reverse (6262251002), we get a palindrome (8263773628).

The spelling of 2001522626 in words is "two billion, one million, five hundred twenty-two thousand, six hundred twenty-six".