982221437 has 4 divisors (see below), whose sum is σ = 1005063840. Its totient is φ = 959379036.

The previous prime is 982221433. The next prime is 982221467. The reversal of 982221437 is 734122289.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 734122289 = 18973 ⋅38693.

It is a cyclic number.

It is not a de Polignac number, because 982221437 - 2² = 982221433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 982221437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982221431) 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, 11421137 + ... + 11421222.

It is an arithmetic number, because the mean of its divisors is an integer number (251265960).

Almost surely, 2^982221437 is an apocalyptic number.

It is an amenable number.

982221437 is a deficient number, since it is larger than the sum of its proper divisors (22842403).

982221437 is a wasteful number, since it uses less digits than its factorization.

982221437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22842402.

The product of its digits is 48384, while the sum is 38.

The square root of 982221437 is about 31340.4122021393. The cubic root of 982221437 is about 994.0383415909.

The spelling of 982221437 in words is "nine hundred eighty-two million, two hundred twenty-one thousand, four hundred thirty-seven".