2238666241 has 16 divisors (see below), whose sum is σ = 2765925760. Its totient is φ = 1768728960.

The previous prime is 2238666161. The next prime is 2238666247. The reversal of 2238666241 is 1426668322.

It is a cyclic number.

It is not a de Polignac number, because 2238666241 - 2⁷ = 2238666113 is a prime.

It is a super-3 number, since 3×2238666241³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2238666194 and 2238666203.

It is not an unprimeable number, because it can be changed into a prime (2238666247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222540 + ... + 232381.

It is an arithmetic number, because the mean of its divisors is an integer number (172870360).

Almost surely, 2^2238666241 is an apocalyptic number.

It is an amenable number.

2238666241 is a deficient number, since it is larger than the sum of its proper divisors (527259519).

2238666241 is a wasteful number, since it uses less digits than its factorization.

2238666241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454984.

The product of its digits is 165888, while the sum is 40.

The square root of 2238666241 is about 47314.5457655466. The cubic root of 2238666241 is about 1308.1667811986.

The spelling of 2238666241 in words is "two billion, two hundred thirty-eight million, six hundred sixty-six thousand, two hundred forty-one".