822898 has 4 divisors (see below), whose sum is σ = 1234350. Its totient is φ = 411448.

The previous prime is 822893. The next prime is 822901. The reversal of 822898 is 898228.

822898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 466489 + 356409 = 683^2 + 597^2 .

It is a super-2 number, since 2×822898² = 1354322236808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (822893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205723 + ... + 205726.

2⁸²²⁸⁹⁸ is an apocalyptic number.

822898 is a deficient number, since it is larger than the sum of its proper divisors (411452).

822898 is a wasteful number, since it uses less digits than its factorization.

822898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411451.

The product of its digits is 18432, while the sum is 37.

The square root of 822898 is about 907.1372553258. The cubic root of 822898 is about 93.7091507962.

It can be divided in two parts, 8 and 22898, that multiplied together give a square (183184 = 428²).

The spelling of 822898 in words is "eight hundred twenty-two thousand, eight hundred ninety-eight".