22354012213 has 4 divisors (see below), whose sum is σ = 24073551628. Its totient is φ = 20634472800.

The previous prime is 22354012211. The next prime is 22354012223. The reversal of 22354012213 is 31221045322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13041183204 + 9312829009 = 114198^2 + 96503^2 .

It is a cyclic number.

It is not a de Polignac number, because 22354012213 - 2¹ = 22354012211 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 (22354012211) 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, 859769688 + ... + 859769713.

It is an arithmetic number, because the mean of its divisors is an integer number (6018387907).

Almost surely, 2^22354012213 is an apocalyptic number.

It is an amenable number.

22354012213 is a deficient number, since it is larger than the sum of its proper divisors (1719539415).

22354012213 is a wasteful number, since it uses less digits than its factorization.

22354012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719539414.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 22354012213 its reverse (31221045322), we get a palindrome (53575057535).

The spelling of 22354012213 in words is "twenty-two billion, three hundred fifty-four million, twelve thousand, two hundred thirteen".