22421615541321 has 8 divisors (see below), whose sum is σ = 29895632956800. Its totient is φ = 14947670910032.

The previous prime is 22421615541317. The next prime is 22421615541337. The reversal of 22421615541321 is 12314551612422.

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 22421615541321 - 2² = 22421615541317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22421615541321.

It is not an unprimeable number, because it can be changed into a prime (22421615541121) 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, 17473146 + ... + 18712403.

It is an arithmetic number, because the mean of its divisors is an integer number (3736954119600).

Almost surely, 2^{22421615541321} is an apocalyptic number.

It is an amenable number.

22421615541321 is a deficient number, since it is larger than the sum of its proper divisors (7474017415479).

22421615541321 is a wasteful number, since it uses less digits than its factorization.

22421615541321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36392095.

The product of its digits is 115200, while the sum is 39.

The spelling of 22421615541321 in words is "twenty-two trillion, four hundred twenty-one billion, six hundred fifteen million, five hundred forty-one thousand, three hundred twenty-one".