226641152765 has 16 divisors (see below), whose sum is σ = 273963558960. Its totient is φ = 179987074560.

The previous prime is 226641152743. The next prime is 226641152767. The reversal of 226641152765 is 567251146622.

It can be written as a sum of positive squares in 8 ways, for example, as 76249985956 + 150391166809 = 276134^2 + 387803^2 .

It is not a de Polignac number, because 226641152765 - 2⁶ = 226641152701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226641152767) 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, 279281 + ... + 728889.

It is an arithmetic number, because the mean of its divisors is an integer number (17122722435).

Almost surely, 2^226641152765 is an apocalyptic number.

It is an amenable number.

226641152765 is a deficient number, since it is larger than the sum of its proper divisors (47322406195).

226641152765 is a wasteful number, since it uses less digits than its factorization.

226641152765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450352.

The product of its digits is 1209600, while the sum is 47.

The spelling of 226641152765 in words is "two hundred twenty-six billion, six hundred forty-one million, one hundred fifty-two thousand, seven hundred sixty-five".