1228961234622 has 64 divisors (see below), whose sum is σ = 2711921990400. Its totient is φ = 368170471680.

The previous prime is 1228961234621. The next prime is 1228961234623. The reversal of 1228961234622 is 2264321698221.

It is an interprime number because it is at equal distance from previous prime (1228961234621) and next prime (1228961234623).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228961234621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51132904 + ... + 51156932.

It is an arithmetic number, because the mean of its divisors is an integer number (42373781100).

Almost surely, 2^{1228961234622} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1228961234622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1355960995200).

1228961234622 is an abundant number, since it is smaller than the sum of its proper divisors (1482960755778).

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

1228961234622 is a wasteful number, since it uses less digits than its factorization.

1228961234622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32841.

The product of its digits is 995328, while the sum is 48.

The spelling of 1228961234622 in words is "one trillion, two hundred twenty-eight billion, nine hundred sixty-one million, two hundred thirty-four thousand, six hundred twenty-two".