44231218 has 4 divisors (see below), whose sum is σ = 66346830. Its totient is φ = 22115608.

The previous prime is 44231197. The next prime is 44231227. The reversal of 44231218 is 81213244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29844369 + 14386849 = 5463^2 + 3793^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44231192 and 44231201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11057803 + ... + 11057806.

Almost surely, 2^44231218 is an apocalyptic number.

44231218 is a deficient number, since it is larger than the sum of its proper divisors (22115612).

44231218 is a wasteful number, since it uses less digits than its factorization.

44231218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22115611.

The product of its digits is 1536, while the sum is 25.

The square root of 44231218 is about 6650.6554564193. The cubic root of 44231218 is about 353.6521474742.

The spelling of 44231218 in words is "forty-four million, two hundred thirty-one thousand, two hundred eighteen".