229515550 has 48 divisors (see below), whose sum is σ = 473411664. Its totient is φ = 82080000.

The previous prime is 229515529. The next prime is 229515557. The reversal of 229515550 is 55515922.

It is a happy number.

229515550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229515557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30130 + ... + 36970.

It is an arithmetic number, because the mean of its divisors is an integer number (9862743).

Almost surely, 2^229515550 is an apocalyptic number.

229515550 is an abundant number, since it is smaller than the sum of its proper divisors (243896114).

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

229515550 is a wasteful number, since it uses less digits than its factorization.

229515550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6925 (or 6920 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 229515550 is about 15149.7706253263. The cubic root of 229515550 is about 612.2620928047.

The spelling of 229515550 in words is "two hundred twenty-nine million, five hundred fifteen thousand, five hundred fifty".