82451229 has 8 divisors (see below), whose sum is σ = 125640000. Its totient is φ = 47114976.

The previous prime is 82451209. The next prime is 82451293. The reversal of 82451229 is 92215428.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82451229 - 2⁷ = 82451101 is a prime.

It is a super-2 number, since 2×82451229² = 13596410327220882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82451229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82451209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1963104 + ... + 1963145.

It is an arithmetic number, because the mean of its divisors is an integer number (15705000).

Almost surely, 2^82451229 is an apocalyptic number.

It is an amenable number.

82451229 is a deficient number, since it is larger than the sum of its proper divisors (43188771).

82451229 is a wasteful number, since it uses less digits than its factorization.

82451229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926259.

The product of its digits is 11520, while the sum is 33.

The square root of 82451229 is about 9080.2659102033. The cubic root of 82451229 is about 435.2435840151.

The spelling of 82451229 in words is "eighty-two million, four hundred fifty-one thousand, two hundred twenty-nine".