22135413 has 8 divisors (see below), whose sum is σ = 29543776. Its totient is φ = 14742000.

The previous prime is 22135409. The next prime is 22135417. The reversal of 22135413 is 31453122.

It is an interprime number because it is at equal distance from previous prime (22135409) and next prime (22135417).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22135413 - 2² = 22135409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22135413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22135417) 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, 363 + ... + 6663.

It is an arithmetic number, because the mean of its divisors is an integer number (3692972).

Almost surely, 2^22135413 is an apocalyptic number.

It is an amenable number.

22135413 is a deficient number, since it is larger than the sum of its proper divisors (7408363).

22135413 is a wasteful number, since it uses less digits than its factorization.

22135413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7475.

The product of its digits is 720, while the sum is 21.

The square root of 22135413 is about 4704.8286897612. The cubic root of 22135413 is about 280.7776553636. Note that the first 3 decimals are identical.

Adding to 22135413 its reverse (31453122), we get a palindrome (53588535).

It can be divided in two parts, 2213 and 5413, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 22135413 in words is "twenty-two million, one hundred thirty-five thousand, four hundred thirteen".