228402433066381 has 8 divisors (see below), whose sum is σ = 265956471926784. Its totient is φ = 192079674168720.

The previous prime is 228402433066373. The next prime is 228402433066393. The reversal of 228402433066381 is 183660334204822.

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

It is a cyclic number.

It is not a de Polignac number, because 228402433066381 - 2³ = 228402433066373 is a prime.

It is a super-2 number, since 2×228402433066381² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228402433006381) 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, 307819990285 + ... + 307819991026.

It is an arithmetic number, because the mean of its divisors is an integer number (33244558990848).

Almost surely, 2^{228402433066381} is an apocalyptic number.

It is an amenable number.

228402433066381 is a deficient number, since it is larger than the sum of its proper divisors (37554038860403).

228402433066381 is an equidigital number, since it uses as much as digits as its factorization.

228402433066381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615639981371.

The product of its (nonzero) digits is 7962624, while the sum is 52.

The spelling of 228402433066381 in words is "two hundred twenty-eight trillion, four hundred two billion, four hundred thirty-three million, sixty-six thousand, three hundred eighty-one".