1522213221449 has 8 divisors (see below), whose sum is σ = 1564841651328. Its totient is φ = 1479663082800.

The previous prime is 1522213221439. The next prime is 1522213221467. The reversal of 1522213221449 is 9441223122251.

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 1522213221449 - 2¹⁶ = 1522213155913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1522213221439) 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, 19533377 + ... + 19611150.

It is an arithmetic number, because the mean of its divisors is an integer number (195605206416).

Almost surely, 2^{1522213221449} is an apocalyptic number.

It is an amenable number.

1522213221449 is a deficient number, since it is larger than the sum of its proper divisors (42628429879).

1522213221449 is a wasteful number, since it uses less digits than its factorization.

1522213221449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39145615.

The product of its digits is 69120, while the sum is 38.

The spelling of 1522213221449 in words is "one trillion, five hundred twenty-two billion, two hundred thirteen million, two hundred twenty-one thousand, four hundred forty-nine".