82229425 has 24 divisors (see below), whose sum is σ = 108716256. Its totient is φ = 61482240.

The previous prime is 82229423. The next prime is 82229489. The reversal of 82229425 is 52492228.

It is not a de Polignac number, because 82229425 - 2¹ = 82229423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82229423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68682 + ... + 69868.

It is an arithmetic number, because the mean of its divisors is an integer number (4529844).

Almost surely, 2^82229425 is an apocalyptic number.

82229425 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

82229425 is a deficient number, since it is larger than the sum of its proper divisors (26486831).

82229425 is a wasteful number, since it uses less digits than its factorization.

82229425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377 (or 1372 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 82229425 is about 9068.0441661915. The cubic root of 82229425 is about 434.8529471672.

The spelling of 82229425 in words is "eighty-two million, two hundred twenty-nine thousand, four hundred twenty-five".