4228944490 has 16 divisors (see below), whose sum is σ = 7612963848. Its totient is φ = 1691385856.

The previous prime is 4228944451. The next prime is 4228944491. The reversal of 4228944490 is 944498224.

It can be written as a sum of positive squares in 4 ways, for example, as 3316723281 + 912221209 = 57591^2 + 30203^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4228944490.

It is not an unprimeable number, because it can be changed into a prime (4228944491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98154 + ... + 134506.

Almost surely, 2^4228944490 is an apocalyptic number.

4228944490 is a deficient number, since it is larger than the sum of its proper divisors (3384019358).

4228944490 is a wasteful number, since it uses less digits than its factorization.

4228944490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47993.

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 4228944490 is about 65030.3351521426. The cubic root of 4228944490 is about 1617.1265031733.

The spelling of 4228944490 in words is "four billion, two hundred twenty-eight million, nine hundred forty-four thousand, four hundred ninety".