1082221738 has 8 divisors (see below), whose sum is σ = 1748204388. Its totient is φ = 499486944.

The previous prime is 1082221727. The next prime is 1082221753. The reversal of 1082221738 is 8371222801.

It can be written as a sum of positive squares in 2 ways, for example, as 943288369 + 138933369 = 30713^2 + 11787^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20811931 + ... + 20811982.

Almost surely, 2^1082221738 is an apocalyptic number.

1082221738 is a deficient number, since it is larger than the sum of its proper divisors (665982650).

1082221738 is a wasteful number, since it uses less digits than its factorization.

1082221738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41623928.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 1082221738 is about 32897.1387509613. The cubic root of 1082221738 is about 1026.6886265941.

The spelling of 1082221738 in words is "one billion, eighty-two million, two hundred twenty-one thousand, seven hundred thirty-eight".