44001166 has 24 divisors (see below), whose sum is σ = 73036152. Its totient is φ = 19866000.

The previous prime is 44001163. The next prime is 44001179. The reversal of 44001166 is 66110044.

It is a super-2 number, since 2×44001166² = 3872205218719112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44001161) 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, 41341 + ... + 42391.

It is an arithmetic number, because the mean of its divisors is an integer number (3043173).

Almost surely, 2^44001166 is an apocalyptic number.

44001166 is a deficient number, since it is larger than the sum of its proper divisors (29034986).

44001166 is a wasteful number, since it uses less digits than its factorization.

44001166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248 (or 1237 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 44001166 is about 6633.3374706855. The cubic root of 44001166 is about 353.0379519794.

The spelling of 44001166 in words is "forty-four million, one thousand, one hundred sixty-six".