10122288550 has 24 divisors (see below), whose sum is σ = 20539044792. Its totient is φ = 3680832000.

The previous prime is 10122288541. The next prime is 10122288559. The reversal of 10122288550 is 5588222101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10122288541) and next prime (10122288559).

It is a super-2 number, since 2×10122288550² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122288559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9201531 + ... + 9202630.

It is an arithmetic number, because the mean of its divisors is an integer number (855793533).

Almost surely, 2^10122288550 is an apocalyptic number.

10122288550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10122288550 is an abundant number, since it is smaller than the sum of its proper divisors (10416756242).

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

10122288550 is a wasteful number, since it uses less digits than its factorization.

10122288550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18404184 (or 18404179 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 34.

The spelling of 10122288550 in words is "ten billion, one hundred twenty-two million, two hundred eighty-eight thousand, five hundred fifty".