228333331217761 has 64 divisors (see below), whose sum is σ = 290805267916800. Its totient is φ = 174142323648000.

The previous prime is 228333331217759. The next prime is 228333331217767. The reversal of 228333331217761 is 167712133333822.

It is a cyclic number.

It is not a de Polignac number, because 228333331217761 - 2¹ = 228333331217759 is a prime.

It is a super-2 number, since 2×228333331217761² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 228333331217699 and 228333331217708.

It is not an unprimeable number, because it can be changed into a prime (228333331217767) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 251420430 + ... + 252326968.

It is an arithmetic number, because the mean of its divisors is an integer number (4543832311200).

Almost surely, 2^{228333331217761} is an apocalyptic number.

It is an amenable number.

228333331217761 is a deficient number, since it is larger than the sum of its proper divisors (62471936699039).

228333331217761 is a wasteful number, since it uses less digits than its factorization.

228333331217761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907030.

The product of its digits is 4572288, while the sum is 52.

The spelling of 228333331217761 in words is "two hundred twenty-eight trillion, three hundred thirty-three billion, three hundred thirty-one million, two hundred seventeen thousand, seven hundred sixty-one".