1022254015550 has 96 divisors (see below), whose sum is σ = 2047978028160. Its totient is φ = 378218649600.

The previous prime is 1022254015547. The next prime is 1022254015561. The reversal of 1022254015550 is 555104522201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66204731 + ... + 66220169.

It is an arithmetic number, because the mean of its divisors is an integer number (21333104460).

Almost surely, 2^{1022254015550} is an apocalyptic number.

1022254015550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022254015550 is an abundant number, since it is smaller than the sum of its proper divisors (1025724012610).

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

1022254015550 is a wasteful number, since it uses less digits than its factorization.

1022254015550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16806 (or 16801 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 1022254015550 its reverse (555104522201), we get a palindrome (1577358537751).

The spelling of 1022254015550 in words is "one trillion, twenty-two billion, two hundred fifty-four million, fifteen thousand, five hundred fifty".