822261413 has 4 divisors (see below), whose sum is σ = 822666720. Its totient is φ = 821856108.

The previous prime is 822261403. The next prime is 822261421. The reversal of 822261413 is 314162228.

It is a happy number.

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 not a de Polignac number, because 822261413 - 2¹⁶ = 822195877 is a prime.

It is a super-2 number, since 2×822261413² = 1352227662617513138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822261403) 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 in 3 ways as a sum of consecutive naturals, for example, 199595 + ... + 203672.

It is an arithmetic number, because the mean of its divisors is an integer number (205666680).

Almost surely, 2^822261413 is an apocalyptic number.

It is an amenable number.

822261413 is a deficient number, since it is larger than the sum of its proper divisors (405307).

822261413 is a wasteful number, since it uses less digits than its factorization.

822261413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405306.

The product of its digits is 4608, while the sum is 29.

The square root of 822261413 is about 28675.1009239724. The cubic root of 822261413 is about 936.8498035770.

The spelling of 822261413 in words is "eight hundred twenty-two million, two hundred sixty-one thousand, four hundred thirteen".