22013455 has 8 divisors (see below), whose sum is σ = 26678304. Its totient is φ = 17436000.

The previous prime is 22013423. The next prime is 22013477. The reversal of 22013455 is 55431022.

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

It is not a de Polignac number, because 22013455 - 2⁵ = 22013423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21291 + ... + 22300.

It is an arithmetic number, because the mean of its divisors is an integer number (3334788).

Almost surely, 2^22013455 is an apocalyptic number.

22013455 is a deficient number, since it is larger than the sum of its proper divisors (4664849).

22013455 is a wasteful number, since it uses less digits than its factorization.

22013455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43697.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 22013455 is about 4691.8498484073. The cubic root of 22013455 is about 280.2610448168.

Adding to 22013455 its reverse (55431022), we get a palindrome (77444477).

The spelling of 22013455 in words is "twenty-two million, thirteen thousand, four hundred fifty-five".