1118822361 has 8 divisors (see below), whose sum is σ = 1491921504. Its totient is φ = 745802400.

The previous prime is 1118822311. The next prime is 1118822381. The reversal of 1118822361 is 1632288111.

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

It is not a de Polignac number, because 1118822361 - 2⁹ = 1118821849 is a prime.

It is a super-2 number, since 2×1118822361² = 2503526950947228642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1118822311) 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, 34285 + ... + 58421.

It is an arithmetic number, because the mean of its divisors is an integer number (186490188).

Almost surely, 2^1118822361 is an apocalyptic number.

It is an amenable number.

1118822361 is a deficient number, since it is larger than the sum of its proper divisors (373099143).

1118822361 is a wasteful number, since it uses less digits than its factorization.

1118822361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39591.

The product of its digits is 4608, while the sum is 33.

The square root of 1118822361 is about 33448.8020861734. The cubic root of 1118822361 is about 1038.1347115603.

The spelling of 1118822361 in words is "one billion, one hundred eighteen million, eight hundred twenty-two thousand, three hundred sixty-one".