84457226 has 16 divisors (see below), whose sum is σ = 145074240. Its totient is φ = 36123360.

The previous prime is 84457213. The next prime is 84457229. The reversal of 84457226 is 62275448.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84457226.

It is not an unprimeable number, because it can be changed into a prime (84457229) 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 7 ways as a sum of consecutive naturals, for example, 1505 + ... + 13083.

It is an arithmetic number, because the mean of its divisors is an integer number (9067140).

Almost surely, 2^84457226 is an apocalyptic number.

84457226 is a deficient number, since it is larger than the sum of its proper divisors (60617014).

84457226 is a wasteful number, since it uses less digits than its factorization.

84457226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12109.

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

The square root of 84457226 is about 9190.0612620374. The cubic root of 84457226 is about 438.7450916787.

The spelling of 84457226 in words is "eighty-four million, four hundred fifty-seven thousand, two hundred twenty-six".