44229890 has 8 divisors (see below), whose sum is σ = 79613820. Its totient is φ = 17691952.

The previous prime is 44229859. The next prime is 44229893. The reversal of 44229890 is 9892244.

It can be written as a sum of positive squares in 2 ways, for example, as 42758521 + 1471369 = 6539^2 + 1213^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (44229893) 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, 2211485 + ... + 2211504.

Almost surely, 2^44229890 is an apocalyptic number.

44229890 is a deficient number, since it is larger than the sum of its proper divisors (35383930).

44229890 is a wasteful number, since it uses less digits than its factorization.

44229890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422996.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 44229890 is about 6650.5556158865. Note that the first 3 decimals coincide. The cubic root of 44229890 is about 353.6486080830.

The spelling of 44229890 in words is "forty-four million, two hundred twenty-nine thousand, eight hundred ninety".