1222330498649 has 8 divisors (see below), whose sum is σ = 1316727718152. Its totient is φ = 1127986392960.

The previous prime is 1222330498633. The next prime is 1222330498657. The reversal of 1222330498649 is 9468940332221.

It can be written as a sum of positive squares in 4 ways, for example, as 213296185600 + 1009034313049 = 461840^2 + 1004507^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222330498649 - 2⁴ = 1222330498633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222330498649.

It is not an unprimeable number, because it can be changed into a prime (1222330498619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13230644 + ... + 13322709.

It is an arithmetic number, because the mean of its divisors is an integer number (164590964769).

Almost surely, 2^{1222330498649} is an apocalyptic number.

It is an amenable number.

1222330498649 is a deficient number, since it is larger than the sum of its proper divisors (94397219503).

1222330498649 is a wasteful number, since it uses less digits than its factorization.

1222330498649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26556907.

The product of its (nonzero) digits is 4478976, while the sum is 53.

The spelling of 1222330498649 in words is "one trillion, two hundred twenty-two billion, three hundred thirty million, four hundred ninety-eight thousand, six hundred forty-nine".