84457622 has 32 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 38664000.

The previous prime is 84457621. The next prime is 84457627. The reversal of 84457622 is 22675448.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84457621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235079 + ... + 235437.

It is an arithmetic number, because the mean of its divisors is an integer number (4309200).

Almost surely, 2^84457622 is an apocalyptic number.

84457622 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

84457622 is a deficient number, since it is larger than the sum of its proper divisors (53436778).

84457622 is a wasteful number, since it uses less digits than its factorization.

84457622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572.

The product of its digits is 107520, while the sum is 38.

The square root of 84457622 is about 9190.0828070263. The cubic root of 84457622 is about 438.7457774016.

The spelling of 84457622 in words is "eighty-four million, four hundred fifty-seven thousand, six hundred twenty-two".