2238681669 has 48 divisors (see below), whose sum is σ = 3870072000. Its totient is φ = 1140604416.

The previous prime is 2238681659. The next prime is 2238681671. The reversal of 2238681669 is 9661868322.

It is not a de Polignac number, because 2238681669 - 2⁹ = 2238681157 is a prime.

It is a super-2 number, since 2×2238681669² = 10023391230233251122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238681659) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23907 + ... + 71055.

It is an arithmetic number, because the mean of its divisors is an integer number (80626500).

Almost surely, 2^2238681669 is an apocalyptic number.

It is an amenable number.

2238681669 is a deficient number, since it is larger than the sum of its proper divisors (1631390331).

2238681669 is a wasteful number, since it uses less digits than its factorization.

2238681669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47202 (or 47195 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 2238681669 is about 47314.7088018092. The cubic root of 2238681669 is about 1308.1697863139.

The spelling of 2238681669 in words is "two billion, two hundred thirty-eight million, six hundred eighty-one thousand, six hundred sixty-nine".