22120413 has 40 divisors (see below), whose sum is σ = 35763168. Its totient is φ = 12150432.

The previous prime is 22120393. The next prime is 22120433. The reversal of 22120413 is 31402122.

It is an interprime number because it is at equal distance from previous prime (22120393) and next prime (22120433).

It is not a de Polignac number, because 22120413 - 2⁵ = 22120381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22120392 and 22120401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120433) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 266470 + ... + 266552.

Almost surely, 2^22120413 is an apocalyptic number.

It is an amenable number.

22120413 is a deficient number, since it is larger than the sum of its proper divisors (13642755).

22120413 is an frugal number, since it uses more digits than its factorization.

22120413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22120413 is about 4703.2343126831. The cubic root of 22120413 is about 280.7142183041.

Adding to 22120413 its reverse (31402122), we get a palindrome (53522535).

The spelling of 22120413 in words is "twenty-two million, one hundred twenty thousand, four hundred thirteen".