226622640020 has 48 divisors (see below), whose sum is σ = 543949862400. Its totient is φ = 77691258624.

The previous prime is 226622639989. The next prime is 226622640031. The reversal of 226622640020 is 20046226622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1386581 + ... + 1541379.

It is an arithmetic number, because the mean of its divisors is an integer number (11332288800).

Almost surely, 2^226622640020 is an apocalyptic number.

226622640020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226622640020 is an abundant number, since it is smaller than the sum of its proper divisors (317327222380).

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

226622640020 is a wasteful number, since it uses less digits than its factorization.

226622640020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165272 (or 165270 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 226622640020 its reverse (20046226622), we get a palindrome (246668866642).

The spelling of 226622640020 in words is "two hundred twenty-six billion, six hundred twenty-two million, six hundred forty thousand, twenty".