1022425042452 has 96 divisors (see below), whose sum is σ = 2757390418944. Its totient is φ = 291414105600.

The previous prime is 1022425042451. The next prime is 1022425042459. The reversal of 1022425042452 is 2542405242201.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022425042451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3380313 + ... + 3670335.

It is an arithmetic number, because the mean of its divisors is an integer number (28722816864).

Almost surely, 2^{1022425042452} is an apocalyptic number.

1022425042452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022425042452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378695209472).

1022425042452 is an abundant number, since it is smaller than the sum of its proper divisors (1734965376492).

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

1022425042452 is a wasteful number, since it uses less digits than its factorization.

1022425042452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291629 (or 291627 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 33.

The spelling of 1022425042452 in words is "one trillion, twenty-two billion, four hundred twenty-five million, forty-two thousand, four hundred fifty-two".