226136502772540 has 24 divisors (see below), whose sum is σ = 475661348598240. Its totient is φ = 90307040580288.

The previous prime is 226136502772519. The next prime is 226136502772643. The reversal of 226136502772540 is 45277205631622.

It is a happy number.

It is a super-2 number, since 2×226136502772540² (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, 9222520480 + ... + 9222544999.

It is an arithmetic number, because the mean of its divisors is an integer number (19819222858260).

Almost surely, 2^{226136502772540} is an apocalyptic number.

226136502772540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226136502772540 is an abundant number, since it is smaller than the sum of its proper divisors (249524845825700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226136502772540 is a wasteful number, since it uses less digits than its factorization.

226136502772540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18445066101 (or 18445066099 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 226136502772540 in words is "two hundred twenty-six trillion, one hundred thirty-six billion, five hundred two million, seven hundred seventy-two thousand, five hundred forty".