226135262220565 has 8 divisors (see below), whose sum is σ = 271363962379320. Its totient is φ = 180907111300032.

The previous prime is 226135262220551. The next prime is 226135262220577. The reversal of 226135262220565 is 565022262531622.

It can be written as a sum of positive squares in 4 ways, for example, as 37008351735601 + 189126910484964 = 6083449^2 + 13752342^2 .

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 226135262220565 - 2²¹ = 226135260123413 is a prime.

It is a super-2 number, since 2×226135262220565² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136403214 + ... + 138051103.

It is an arithmetic number, because the mean of its divisors is an integer number (33920495297415).

Almost surely, 2^{226135262220565} is an apocalyptic number.

It is an amenable number.

226135262220565 is a deficient number, since it is larger than the sum of its proper divisors (45228700158755).

226135262220565 is a wasteful number, since it uses less digits than its factorization.

226135262220565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274619111.

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 226135262220565 in words is "two hundred twenty-six trillion, one hundred thirty-five billion, two hundred sixty-two million, two hundred twenty thousand, five hundred sixty-five".