22021423402213 has 16 divisors (see below), whose sum is σ = 24544189624320. Its totient is φ = 19635050405376.

The previous prime is 22021423402207. The next prime is 22021423402217. The reversal of 22021423402213 is 31220432412022.

It is a cyclic number.

It is not a de Polignac number, because 22021423402213 - 2¹³ = 22021423394021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021423402217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79489945 + ... + 79766497.

It is an arithmetic number, because the mean of its divisors is an integer number (1534011851520).

Almost surely, 2^{22021423402213} is an apocalyptic number.

It is an amenable number.

22021423402213 is a deficient number, since it is larger than the sum of its proper divisors (2522766222107).

22021423402213 is a wasteful number, since it uses less digits than its factorization.

22021423402213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523116.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 22021423402213 its reverse (31220432412022), we get a palindrome (53241855814235).

The spelling of 22021423402213 in words is "twenty-two trillion, twenty-one billion, four hundred twenty-three million, four hundred two thousand, two hundred thirteen".