22220023213 has 16 divisors (see below), whose sum is σ = 24797605680. Its totient is φ = 19810825216.

The previous prime is 22220023211. The next prime is 22220023223. The reversal of 22220023213 is 31232002222.

It can be written as a sum of positive squares in 8 ways, for example, as 393506569 + 21826516644 = 19837^2 + 147738^2 .

It is not a de Polignac number, because 22220023213 - 2¹ = 22220023211 is a prime.

It is a super-3 number, since 3×22220023213³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220023211) 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, 399070 + ... + 451327.

It is an arithmetic number, because the mean of its divisors is an integer number (1549850355).

Almost surely, 2^22220023213 is an apocalyptic number.

It is an amenable number.

22220023213 is a deficient number, since it is larger than the sum of its proper divisors (2577582467).

22220023213 is a wasteful number, since it uses less digits than its factorization.

22220023213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850496.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22220023213 its reverse (31232002222), we get a palindrome (53452025435).

The spelling of 22220023213 in words is "twenty-two billion, two hundred twenty million, twenty-three thousand, two hundred thirteen".