82154226 has 32 divisors (see below), whose sum is σ = 204853248. Its totient is φ = 21338640.

The previous prime is 82154221. The next prime is 82154231. The reversal of 82154226 is 62245128.

It is an interprime number because it is at equal distance from previous prime (82154221) and next prime (82154231).

It is a junction number, because it is equal to n+sod(n) for n = 82154193 and 82154202.

It is not an unprimeable number, because it can be changed into a prime (82154221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88450 + ... + 89373.

It is an arithmetic number, because the mean of its divisors is an integer number (6401664).

Almost surely, 2^82154226 is an apocalyptic number.

82154226 is an abundant number, since it is smaller than the sum of its proper divisors (122699022).

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

82154226 is a wasteful number, since it uses less digits than its factorization.

82154226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177846.

The product of its digits is 7680, while the sum is 30.

The square root of 82154226 is about 9063.8968440732. The cubic root of 82154226 is about 434.7203487287.

The spelling of 82154226 in words is "eighty-two million, one hundred fifty-four thousand, two hundred twenty-six".