82211154 has 16 divisors (see below), whose sum is σ = 171571392. Its totient is φ = 26212208.

The previous prime is 82211149. The next prime is 82211159. The reversal of 82211154 is 45111228.

It is an interprime number because it is at equal distance from previous prime (82211149) and next prime (82211159).

It is not an unprimeable number, because it can be changed into a prime (82211159) 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 in 7 ways as a sum of consecutive naturals, for example, 297729 + ... + 298004.

It is an arithmetic number, because the mean of its divisors is an integer number (10723212).

Almost surely, 2^82211154 is an apocalyptic number.

82211154 is an abundant number, since it is smaller than the sum of its proper divisors (89360238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82211154 is a wasteful number, since it uses less digits than its factorization.

82211154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595761.

The product of its digits is 640, while the sum is 24.

The square root of 82211154 is about 9067.0366713717. The cubic root of 82211154 is about 434.8207373399.

The spelling of 82211154 in words is "eighty-two million, two hundred eleven thousand, one hundred fifty-four".