22000212013 has 8 divisors (see below), whose sum is σ = 23693689656. Its totient is φ = 20306899200.

The previous prime is 22000211983. The next prime is 22000212037. The reversal of 22000212013 is 31021200022.

It can be written as a sum of positive squares in 4 ways, for example, as 161874729 + 21838337284 = 12723^2 + 147778^2 .

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 22000212013 - 2²⁹ = 21463341101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 22000211984 and 22000212002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000212053) 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, 484233 + ... + 527713.

It is an arithmetic number, because the mean of its divisors is an integer number (2961711207).

Almost surely, 2^22000212013 is an apocalyptic number.

It is an amenable number.

22000212013 is a deficient number, since it is larger than the sum of its proper divisors (1693477643).

22000212013 is a wasteful number, since it uses less digits than its factorization.

22000212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82415.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22000212013 its reverse (31021200022), we get a palindrome (53021412035).

The spelling of 22000212013 in words is "twenty-two billion, two hundred twelve thousand, thirteen".