22721536077401 has 8 divisors (see below), whose sum is σ = 25976915976000. Its totient is φ = 19468517722128.

The previous prime is 22721536077377. The next prime is 22721536077419. The reversal of 22721536077401 is 10477063512722.

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 22721536077401 - 2³⁴ = 22704356208217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22721536077301) 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, 590365211 + ... + 590403696.

It is an arithmetic number, because the mean of its divisors is an integer number (3247114497000).

Almost surely, 2^{22721536077401} is an apocalyptic number.

It is an amenable number.

22721536077401 is a deficient number, since it is larger than the sum of its proper divisors (3255379898599).

22721536077401 is a wasteful number, since it uses less digits than its factorization.

22721536077401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180771663.

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 22721536077401 in words is "twenty-two trillion, seven hundred twenty-one billion, five hundred thirty-six million, seventy-seven thousand, four hundred one".