226151377565 has 16 divisors (see below), whose sum is σ = 276372286848. Its totient is φ = 177612447936.

The previous prime is 226151377559. The next prime is 226151377583. The reversal of 226151377565 is 565773151622.

It is a cyclic number.

It is not a de Polignac number, because 226151377565 - 2²⁶ = 226084268701 is a prime.

It is a super-2 number, since 2×226151377565² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1053857 + ... + 1250166.

It is an arithmetic number, because the mean of its divisors is an integer number (17273267928).

Almost surely, 2^226151377565 is an apocalyptic number.

It is an amenable number.

226151377565 is a deficient number, since it is larger than the sum of its proper divisors (50220909283).

226151377565 is a wasteful number, since it uses less digits than its factorization.

226151377565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304388.

The product of its digits is 2646000, while the sum is 50.

The spelling of 226151377565 in words is "two hundred twenty-six billion, one hundred fifty-one million, three hundred seventy-seven thousand, five hundred sixty-five".