1022250412544 has 160 divisors (see below), whose sum is σ = 2107812573504. Its totient is φ = 495008317440.

The previous prime is 1022250412543. The next prime is 1022250412597. The reversal of 1022250412544 is 4452140522201.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1022250412544.

It is not an unprimeable number, because it can be changed into a prime (1022250412543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2307562787 + ... + 2307563229.

Almost surely, 2^{1022250412544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022250412544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1053906286752).

1022250412544 is an abundant number, since it is smaller than the sum of its proper divisors (1085562160960).

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

1022250412544 is an equidigital number, since it uses as much as digits as its factorization.

1022250412544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 1022250412544 its reverse (4452140522201), we get a palindrome (5474390934745).

The spelling of 1022250412544 in words is "one trillion, twenty-two billion, two hundred fifty million, four hundred twelve thousand, five hundred forty-four".