84220468 has 12 divisors (see below), whose sum is σ = 147458052. Its totient is φ = 42089600.

The previous prime is 84220463. The next prime is 84220469. The reversal of 84220468 is 86402248.

It can be written as a sum of positive squares in 2 ways, for example, as 63808144 + 20412324 = 7988^2 + 4518^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84220463) 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, 7446 + ... + 14962.

It is an arithmetic number, because the mean of its divisors is an integer number (12288171).

Almost surely, 2^84220468 is an apocalyptic number.

It is an amenable number.

84220468 is a deficient number, since it is larger than the sum of its proper divisors (63237584).

84220468 is a wasteful number, since it uses less digits than its factorization.

84220468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10322 (or 10320 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 84220468 is about 9177.1710237959. The cubic root of 84220468 is about 438.3347315789.

The spelling of 84220468 in words is "eighty-four million, two hundred twenty thousand, four hundred sixty-eight".