84229454 has 4 divisors (see below), whose sum is σ = 126344184. Its totient is φ = 42114726.

The previous prime is 84229447. The next prime is 84229459. The reversal of 84229454 is 45492248.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×84229454² = 14189201842276232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84229459) by changing a digit.

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 as a sum of consecutive naturals, namely, 21057362 + ... + 21057365.

It is an arithmetic number, because the mean of its divisors is an integer number (31586046).

Almost surely, 2^84229454 is an apocalyptic number.

84229454 is a deficient number, since it is larger than the sum of its proper divisors (42114730).

84229454 is a wasteful number, since it uses less digits than its factorization.

84229454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42114729.

The product of its digits is 92160, while the sum is 38.

The square root of 84229454 is about 9177.6605951626. The cubic root of 84229454 is about 438.3503205678.

The spelling of 84229454 in words is "eighty-four million, two hundred twenty-nine thousand, four hundred fifty-four".