32266660 has 48 divisors (see below), whose sum is σ = 71027712. Its totient is φ = 12297600.

The previous prime is 32266649. The next prime is 32266667. The reversal of 32266660 is 6666223.

It is a super-2 number, since 2×32266660² = 2082274695111200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (32266667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43654 + ... + 44386.

It is an arithmetic number, because the mean of its divisors is an integer number (1479744).

Almost surely, 2^32266660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32266660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35513856).

32266660 is an abundant number, since it is smaller than the sum of its proper divisors (38761052).

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

32266660 is a wasteful number, since it uses less digits than its factorization.

32266660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 32266660 is about 5680.3749876219. The cubic root of 32266660 is about 318.3596395269.

The spelling of 32266660 in words is "thirty-two million, two hundred sixty-six thousand, six hundred sixty".