1022250400550 has 48 divisors (see below), whose sum is σ = 1917318243600. Its totient is φ = 405485015040.

The previous prime is 1022250400481. The next prime is 1022250400553. The reversal of 1022250400550 is 550040522201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022250400553) 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, 3519674 + ... + 3799026.

It is an arithmetic number, because the mean of its divisors is an integer number (39944130075).

Almost surely, 2^{1022250400550} is an apocalyptic number.

1022250400550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022250400550 is a deficient number, since it is larger than the sum of its proper divisors (895067843050).

1022250400550 is a wasteful number, since it uses less digits than its factorization.

1022250400550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279977 (or 279972 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

Adding to 1022250400550 its reverse (550040522201), we get a palindrome (1572290922751).

The spelling of 1022250400550 in words is "one trillion, twenty-two billion, two hundred fifty million, four hundred thousand, five hundred fifty".