84622442 has 8 divisors (see below), whose sum is σ = 130029732. Its totient is φ = 41279200.

The previous prime is 84622427. The next prime is 84622453. The reversal of 84622442 is 24422648.

It can be written as a sum of positive squares in 2 ways, for example, as 84621601 + 841 = 9199^2 + 29^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 84622399 and 84622408.

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 in 3 ways as a sum of consecutive naturals, for example, 515909 + ... + 516072.

Almost surely, 2^84622442 is an apocalyptic number.

84622442 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

84622442 is a deficient number, since it is larger than the sum of its proper divisors (45407290).

84622442 is a wasteful number, since it uses less digits than its factorization.

84622442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032024.

The product of its digits is 24576, while the sum is 32.

The square root of 84622442 is about 9199.0457113768. The cubic root of 84622442 is about 439.0309977195.

The spelling of 84622442 in words is "eighty-four million, six hundred twenty-two thousand, four hundred forty-two".