226447071520 has 24 divisors (see below), whose sum is σ = 534981206844. Its totient is φ = 90578828544.

The previous prime is 226447071517. The next prime is 226447071547. The reversal of 226447071520 is 25170744622.

It can be written as a sum of positive squares in 2 ways, for example, as 225317304976 + 1129766544 = 474676^2 + 33612^2 .

It is a super-2 number, since 2×226447071520² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707646939 + ... + 707647258.

Almost surely, 2^226447071520 is an apocalyptic number.

226447071520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226447071520 is an abundant number, since it is smaller than the sum of its proper divisors (308534135324).

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

226447071520 is a wasteful number, since it uses less digits than its factorization.

226447071520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415294212 (or 1415294204 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

The spelling of 226447071520 in words is "two hundred twenty-six billion, four hundred forty-seven million, seventy-one thousand, five hundred twenty".