4222790289 has 9 divisors (see below), whose sum is σ = 6099867579. Its totient is φ = 2815063560.

The previous prime is 4222790281. The next prime is 4222790291. The reversal of 4222790289 is 9820972224.

The square root of 4222790289 is 64983.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1326197889 + 2896592400 = 36417^2 + 53820^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 4222790289 - 2³ = 4222790281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4222790281) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 184119 + ... + 205779.

Almost surely, 2^4222790289 is an apocalyptic number.

4222790289 is the 64983-rd square number.

4222790289 is the 32492-nd centered octagonal number.

It is an amenable number.

4222790289 is a deficient number, since it is larger than the sum of its proper divisors (1877077290).

4222790289 is an frugal number, since it uses more digits than its factorization.

4222790289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43328 (or 21664 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The cubic root of 4222790289 is about 1616.3416774637.

The spelling of 4222790289 in words is "four billion, two hundred twenty-two million, seven hundred ninety thousand, two hundred eighty-nine".