1089220833 has 12 divisors (see below), whose sum is σ = 1583740288. Its totient is φ = 721337400.

The previous prime is 1089220823. The next prime is 1089220859. The reversal of 1089220833 is 3380229801.

It is a happy number.

It is not a de Polignac number, because 1089220833 - 2⁸ = 1089220577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1089220813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399385 + ... + 402102.

Almost surely, 2^1089220833 is an apocalyptic number.

It is an amenable number.

1089220833 is a deficient number, since it is larger than the sum of its proper divisors (494519455).

1089220833 is a wasteful number, since it uses less digits than its factorization.

1089220833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801644 (or 801641 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1089220833 is about 33003.3457849352. The cubic root of 1089220833 is about 1028.8971867573.

The spelling of 1089220833 in words is "one billion, eighty-nine million, two hundred twenty thousand, eight hundred thirty-three".