10223621054550 has 48 divisors (see below), whose sum is σ = 28171755798480. Its totient is φ = 2726298947520.

The previous prime is 10223621054533. The next prime is 10223621054557. The reversal of 10223621054550 is 5545012632201.

10223621054550 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 3 + 62 + 1 + 0 + 545 + 50 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10223621054557) 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, 3786524967 + ... + 3786527666.

It is an arithmetic number, because the mean of its divisors is an integer number (586911579135).

Almost surely, 2^{10223621054550} is an apocalyptic number.

10223621054550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10223621054550 is an abundant number, since it is smaller than the sum of its proper divisors (17948134743930).

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

10223621054550 is a wasteful number, since it uses less digits than its factorization.

10223621054550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7573052654 (or 7573052643 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 10223621054550 its reverse (5545012632201), we get a palindrome (15768633686751).

The spelling of 10223621054550 in words is "ten trillion, two hundred twenty-three billion, six hundred twenty-one million, fifty-four thousand, five hundred fifty".