228551820265453 has 16 divisors (see below), whose sum is σ = 234021618432000. Its totient is φ = 223107483215232.

The previous prime is 228551820265441. The next prime is 228551820265469. The reversal of 228551820265453 is 354562028155822.

It is a cyclic number.

It is not a de Polignac number, because 228551820265453 - 2¹⁷ = 228551820134381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228551820265403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123434628 + ... + 125272546.

It is an arithmetic number, because the mean of its divisors is an integer number (14626351152000).

Almost surely, 2^{228551820265453} is an apocalyptic number.

It is an amenable number.

228551820265453 is a deficient number, since it is larger than the sum of its proper divisors (5469798166547).

228551820265453 is a wasteful number, since it uses less digits than its factorization.

228551820265453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844844.

The product of its (nonzero) digits is 46080000, while the sum is 58.

The spelling of 228551820265453 in words is "two hundred twenty-eight trillion, five hundred fifty-one billion, eight hundred twenty million, two hundred sixty-five thousand, four hundred fifty-three".