1025222220244 has 24 divisors (see below), whose sum is σ = 1852055072000. Its totient is φ = 496064355840.

The previous prime is 1025222220241. The next prime is 1025222220247. The reversal of 1025222220244 is 4420222225201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1025222220241) and next prime (1025222220247).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025222220241) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11101492 + ... + 11193460.

Almost surely, 2^{1025222220244} is an apocalyptic number.

It is an amenable number.

1025222220244 is a deficient number, since it is larger than the sum of its proper divisors (826832851756).

1025222220244 is a wasteful number, since it uses less digits than its factorization.

1025222220244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181903 (or 181901 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 1025222220244 its reverse (4420222225201), we get a palindrome (5445444445445).

The spelling of 1025222220244 in words is "one trillion, twenty-five billion, two hundred twenty-two million, two hundred twenty thousand, two hundred forty-four".