890289722 has 12 divisors (see below), whose sum is σ = 1553464890. Its totient is φ = 381552696.

The previous prime is 890289709. The next prime is 890289731. The reversal of 890289722 is 227982098.

890289722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 706443241 + 183846481 = 26579^2 + 13559^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4542197 + ... + 4542392.

Almost surely, 2^890289722 is an apocalyptic number.

890289722 is a deficient number, since it is larger than the sum of its proper divisors (663175168).

890289722 is a wasteful number, since it uses less digits than its factorization.

890289722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9084605 (or 9084598 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 890289722 is about 29837.7231369956. The cubic root of 890289722 is about 962.0045361796.

The spelling of 890289722 in words is "eight hundred ninety million, two hundred eighty-nine thousand, seven hundred twenty-two".