982722451 has 4 divisors (see below), whose sum is σ = 1040529672. Its totient is φ = 924915232.

The previous prime is 982722401. The next prime is 982722487. The reversal of 982722451 is 154227289.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154227289 = 293 ⋅526373.

It is a cyclic number.

It is not a de Polignac number, because 982722451 - 2¹⁹ = 982198163 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (982722401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28903585 + ... + 28903618.

It is an arithmetic number, because the mean of its divisors is an integer number (260132418).

Almost surely, 2^982722451 is an apocalyptic number.

982722451 is a deficient number, since it is larger than the sum of its proper divisors (57807221).

982722451 is a wasteful number, since it uses less digits than its factorization.

982722451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57807220.

The product of its digits is 80640, while the sum is 40.

The square root of 982722451 is about 31348.4042815579. The cubic root of 982722451 is about 994.2073267275.

The spelling of 982722451 in words is "nine hundred eighty-two million, seven hundred twenty-two thousand, four hundred fifty-one".