22051413 has 16 divisors (see below), whose sum is σ = 33365760. Its totient is φ = 14387328.

The previous prime is 22051369. The next prime is 22051417. The reversal of 22051413 is 31415022.

It is not a de Polignac number, because 22051413 - 2⁹ = 22050901 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22051417) 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, 7420 + ... + 9957.

It is an arithmetic number, because the mean of its divisors is an integer number (2085360).

Almost surely, 2^22051413 is an apocalyptic number.

It is an amenable number.

22051413 is a deficient number, since it is larger than the sum of its proper divisors (11314347).

22051413 is a wasteful number, since it uses less digits than its factorization.

22051413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17433 (or 17427 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 22051413 is about 4695.8932057703. The cubic root of 22051413 is about 280.4220378717.

Adding to 22051413 its reverse (31415022), we get a palindrome (53466435).

It can be divided in two parts, 220514 and 13, that multiplied together give a palindrome (2866682).

The spelling of 22051413 in words is "twenty-two million, fifty-one thousand, four hundred thirteen".