3223540021551 has 8 divisors (see below), whose sum is σ = 4356930805680. Its totient is φ = 2119587959232.

The previous prime is 3223540021531. The next prime is 3223540021553. The reversal of 3223540021551 is 1551200453223.

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

It is not a de Polignac number, because 3223540021551 - 2⁶ = 3223540021487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223540021553) 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, 7359680196 + ... + 7359680633.

It is an arithmetic number, because the mean of its divisors is an integer number (544616350710).

Almost surely, 2^{3223540021551} is an apocalyptic number.

3223540021551 is a deficient number, since it is larger than the sum of its proper divisors (1133390784129).

3223540021551 is a wasteful number, since it uses less digits than its factorization.

3223540021551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14719360905.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 3223540021551 its reverse (1551200453223), we get a palindrome (4774740474774).

The spelling of 3223540021551 in words is "three trillion, two hundred twenty-three billion, five hundred forty million, twenty-one thousand, five hundred fifty-one".