44226440 has 16 divisors (see below), whose sum is σ = 99509580. Its totient is φ = 17690560.

The previous prime is 44226419. The next prime is 44226487. The reversal of 44226440 is 4462244.

It can be written as a sum of positive squares in 2 ways, for example, as 40170244 + 4056196 = 6338^2 + 2014^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552791 + ... + 552870.

Almost surely, 2^44226440 is an apocalyptic number.

44226440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44226440 is an abundant number, since it is smaller than the sum of its proper divisors (55283140).

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

44226440 is a wasteful number, since it uses less digits than its factorization.

44226440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105672 (or 1105668 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 44226440 is about 6650.2962340034. The cubic root of 44226440 is about 353.6394127973.

Adding to 44226440 its reverse (4462244), we get a palindrome (48688684).

The spelling of 44226440 in words is "forty-four million, two hundred twenty-six thousand, four hundred forty".