229625773650 has 432 divisors, whose sum is σ = 806629247424. Its totient is φ = 45596252160.

The previous prime is 229625773591. The next prime is 229625773691. The reversal of 229625773650 is 56377526922.

229625773650 is a `hidden beast` number, since 2 + 2 + 9 + 6 + 2 + 577 + 3 + 65 + 0 = 666.

It is a super-2 number, since 2×229625773650² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 11824849 + ... + 11844251.

It is an arithmetic number, because the mean of its divisors is an integer number (1867197332).

Almost surely, 2^229625773650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229625773650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403314623712).

229625773650 is an abundant number, since it is smaller than the sum of its proper divisors (577003473774).

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

229625773650 is a wasteful number, since it uses less digits than its factorization.

229625773650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19475 (or 19450 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 54.

The spelling of 229625773650 in words is "two hundred twenty-nine billion, six hundred twenty-five million, seven hundred seventy-three thousand, six hundred fifty".