226415781544 has 8 divisors (see below), whose sum is σ = 424529590410. Its totient is φ = 113207890768.

The previous prime is 226415781533. The next prime is 226415781583. The reversal of 226415781544 is 445187514622.

It can be written as a sum of positive squares in only one way, i.e., 226414188900 + 1592644 = 475830^2 + 1262^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×226415781544² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14150986339 + ... + 14150986354.

Almost surely, 2^226415781544 is an apocalyptic number.

It is an amenable number.

226415781544 is a deficient number, since it is larger than the sum of its proper divisors (198113808866).

226415781544 is a wasteful number, since it uses less digits than its factorization.

226415781544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28301972699 (or 28301972695 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 49.

The spelling of 226415781544 in words is "two hundred twenty-six billion, four hundred fifteen million, seven hundred eighty-one thousand, five hundred forty-four".