84661922 has 4 divisors (see below), whose sum is σ = 126992886. Its totient is φ = 42330960.

The previous prime is 84661903. The next prime is 84661939. The reversal of 84661922 is 22916648.

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., 84070561 + 591361 = 9169^2 + 769^2 .

It is an unprimeable number.

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, 21165479 + ... + 21165482.

Almost surely, 2^84661922 is an apocalyptic number.

84661922 is a deficient number, since it is larger than the sum of its proper divisors (42330964).

84661922 is a wasteful number, since it uses less digits than its factorization.

84661922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42330963.

The product of its digits is 41472, while the sum is 38.

The square root of 84661922 is about 9201.1913359086. The cubic root of 84661922 is about 439.0992627036.

The spelling of 84661922 in words is "eighty-four million, six hundred sixty-one thousand, nine hundred twenty-two".