84022210 has 8 divisors (see below), whose sum is σ = 151239996. Its totient is φ = 33608880.

The previous prime is 84022207. The next prime is 84022217. The reversal of 84022210 is 1222048.

It can be written as a sum of positive squares in 2 ways, for example, as 82646281 + 1375929 = 9091^2 + 1173^2 .

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

It is not an unprimeable number, because it can be changed into a prime (84022217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4201101 + ... + 4201120.

Almost surely, 2^84022210 is an apocalyptic number.

84022210 is a deficient number, since it is larger than the sum of its proper divisors (67217786).

84022210 is a wasteful number, since it uses less digits than its factorization.

84022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8402228.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 84022210 is about 9166.3629646660. The cubic root of 84022210 is about 437.9905094446.

Adding to 84022210 its reverse (1222048), we get a palindrome (85244258).

The spelling of 84022210 in words is "eighty-four million, twenty-two thousand, two hundred ten".