227451838027220 has 24 divisors (see below), whose sum is σ = 488756972878944. Its totient is φ = 88864904159136.

The previous prime is 227451838027189. The next prime is 227451838027231. The reversal of 227451838027220 is 22720838154722.

It is a super-2 number, since 2×227451838027220² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132239439854 + ... + 132239441573.

It is an arithmetic number, because the mean of its divisors is an integer number (20364873869956).

Almost surely, 2^{227451838027220} is an apocalyptic number.

227451838027220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227451838027220 is an abundant number, since it is smaller than the sum of its proper divisors (261305134851724).

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

227451838027220 is a wasteful number, since it uses less digits than its factorization.

227451838027220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264478881479 (or 264478881477 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 53.

The spelling of 227451838027220 in words is "two hundred twenty-seven trillion, four hundred fifty-one billion, eight hundred thirty-eight million, twenty-seven thousand, two hundred twenty".