899228741 has 2 divisors, whose sum is σ = 899228742. Its totient is φ = 899228740.

The previous prime is 899228717. The next prime is 899228747. The reversal of 899228741 is 147822998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 516243841 + 382984900 = 22721^2 + 19570^2 .

It is a cyclic number.

It is not a de Polignac number, because 899228741 - 2¹⁴ = 899212357 is a prime.

It is a super-2 number, since 2×899228741² = 1617224657280890162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 899228741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (899228747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449614370 + 449614371.

It is an arithmetic number, because the mean of its divisors is an integer number (449614371).

Almost surely, 2^899228741 is an apocalyptic number.

It is an amenable number.

899228741 is a deficient number, since it is larger than the sum of its proper divisors (1).

899228741 is an equidigital number, since it uses as much as digits as its factorization.

899228741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 50.

The square root of 899228741 is about 29987.1429282618. The cubic root of 899228741 is about 965.2135123142.

The spelling of 899228741 in words is "eight hundred ninety-nine million, two hundred twenty-eight thousand, seven hundred forty-one".