22016912401 has 4 divisors (see below), whose sum is σ = 24018449904. Its totient is φ = 20015374900.

The previous prime is 22016912399. The next prime is 22016912443. The reversal of 22016912401 is 10421961022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22016912401 - 2¹ = 22016912399 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 22016912401.

It is not an unprimeable number, because it can be changed into a prime (22016912501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000768735 + ... + 1000768756.

It is an arithmetic number, because the mean of its divisors is an integer number (6004612476).

Almost surely, 2^22016912401 is an apocalyptic number.

It is an amenable number.

22016912401 is a deficient number, since it is larger than the sum of its proper divisors (2001537503).

22016912401 is a wasteful number, since it uses less digits than its factorization.

22016912401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001537502.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 22016912401 in words is "twenty-two billion, sixteen million, nine hundred twelve thousand, four hundred one".