226445131000 has 128 divisors (see below), whose sum is σ = 583778819520. Its totient is φ = 81528000000.

The previous prime is 226445130983. The next prime is 226445131013. The reversal of 226445131000 is 131544622.

It is a super-2 number, since 2×226445131000² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 226445131000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1009090 + ... + 1212910.

Almost surely, 2^226445131000 is an apocalyptic number.

226445131000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226445131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291889409760).

226445131000 is an abundant number, since it is smaller than the sum of its proper divisors (357333688520).

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

226445131000 is a wasteful number, since it uses less digits than its factorization.

226445131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203954 (or 203940 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 226445131000 its reverse (131544622), we get a palindrome (226576675622).

The spelling of 226445131000 in words is "two hundred twenty-six billion, four hundred forty-five million, one hundred thirty-one thousand".