44266220 has 12 divisors (see below), whose sum is σ = 92959104. Its totient is φ = 17706480.

The previous prime is 44266213. The next prime is 44266223. The reversal of 44266220 is 2266244.

It is a self number, because there is not a number n which added to its sum of digits gives 44266220.

It is not an unprimeable number, because it can be changed into a prime (44266223) 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, 1106636 + ... + 1106675.

It is an arithmetic number, because the mean of its divisors is an integer number (7746592).

Almost surely, 2^44266220 is an apocalyptic number.

It is an amenable number.

44266220 is an abundant number, since it is smaller than the sum of its proper divisors (48692884).

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

44266220 is a wasteful number, since it uses less digits than its factorization.

44266220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213320 (or 2213318 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 44266220 is about 6653.2864059801. The cubic root of 44266220 is about 353.7454094224.

The spelling of 44266220 in words is "forty-four million, two hundred sixty-six thousand, two hundred twenty".