8409922 has 4 divisors (see below), whose sum is σ = 12614886. Its totient is φ = 4204960.

The previous prime is 8409899. The next prime is 8409931. The reversal of 8409922 is 2299048.

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., 8242641 + 167281 = 2871^2 + 409^2 .

It is a d-powerful number, because it can be written as 8⁴ + 4⁶ + 0 + 9⁴ + 9⁴ + 2²² + 2²² .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2102479 + ... + 2102482.

Almost surely, 2^8409922 is an apocalyptic number.

8409922 is a deficient number, since it is larger than the sum of its proper divisors (4204964).

8409922 is a wasteful number, since it uses less digits than its factorization.

8409922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204963.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 8409922 is about 2899.9865516930. The cubic root of 8409922 is about 203.3592770504.

The spelling of 8409922 in words is "eight million, four hundred nine thousand, nine hundred twenty-two".