2265512550 has 288 divisors, whose sum is σ = 6899272704. Its totient is φ = 489888000.

The previous prime is 2265512549. The next prime is 2265512569. The reversal of 2265512550 is 552155622.

It is a super-2 number, since 2×2265512550² = 10265094228415005000, which 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 143 ways as a sum of consecutive naturals, for example, 13898769 + ... + 13898931.

It is an arithmetic number, because the mean of its divisors is an integer number (23955808).

Almost surely, 2^2265512550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2265512550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3449636352).

2265512550 is an abundant number, since it is smaller than the sum of its proper divisors (4633760154).

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

2265512550 is a wasteful number, since it uses less digits than its factorization.

2265512550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 2265512550 is about 47597.4006643220. The cubic root of 2265512550 is about 1313.3752384412.

The spelling of 2265512550 in words is "two billion, two hundred sixty-five million, five hundred twelve thousand, five hundred fifty".