822270049 has 4 divisors (see below), whose sum is σ = 865547440. Its totient is φ = 778992660.

The previous prime is 822269993. The next prime is 822270061. The reversal of 822270049 is 940072228.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-822270049 is a prime.

It is a super-2 number, since 2×822270049² = 1352256066964924802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 822269996 and 822270023.

It is not an unprimeable number, because it can be changed into a prime (822270749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21638667 + ... + 21638704.

It is an arithmetic number, because the mean of its divisors is an integer number (216386860).

Almost surely, 2^822270049 is an apocalyptic number.

It is an amenable number.

822270049 is a deficient number, since it is larger than the sum of its proper divisors (43277391).

822270049 is a wasteful number, since it uses less digits than its factorization.

822270049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43277390.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 822270049 is about 28675.2515071795. The cubic root of 822270049 is about 936.8530833963.

The spelling of 822270049 in words is "eight hundred twenty-two million, two hundred seventy thousand, forty-nine".