22101013 has 6 divisors (see below), whose sum is σ = 24292982. Its totient is φ = 20091720.

The previous prime is 22100959. The next prime is 22101029. The reversal of 22101013 is 31010122.

It can be written as a sum of positive squares in only one way, i.e., 22061809 + 39204 = 4697^2 + 198^2 .

It is not a de Polignac number, because 22101013 - 2⁹ = 22100501 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 (22101043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 91206 + ... + 91447.

Almost surely, 2^22101013 is an apocalyptic number.

It is an amenable number.

22101013 is a deficient number, since it is larger than the sum of its proper divisors (2191969).

22101013 is a wasteful number, since it uses less digits than its factorization.

22101013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182675 (or 182664 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 22101013 is about 4701.1714497559. The cubic root of 22101013 is about 280.6321304961.

Adding to 22101013 its reverse (31010122), we get a palindrome (53111135).

It can be divided in two parts, 2210 and 1013, that added together give a palindrome (3223).

The spelling of 22101013 in words is "twenty-two million, one hundred one thousand, thirteen".