22038355 has 4 divisors (see below), whose sum is σ = 26446032. Its totient is φ = 17630680.

The previous prime is 22038353. The next prime is 22038371. The reversal of 22038355 is 55383022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22038355 - 2¹ = 22038353 is a prime.

It is a super-2 number, since 2×22038355² = 971378182212050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22038353) 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 3 ways as a sum of consecutive naturals, for example, 2203831 + ... + 2203840.

It is an arithmetic number, because the mean of its divisors is an integer number (6611508).

Almost surely, 2^22038355 is an apocalyptic number.

22038355 is a deficient number, since it is larger than the sum of its proper divisors (4407677).

22038355 is an equidigital number, since it uses as much as digits as its factorization.

22038355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4407676.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 22038355 is about 4694.5026360627. The cubic root of 22038355 is about 280.3666752215.

The spelling of 22038355 in words is "twenty-two million, thirty-eight thousand, three hundred fifty-five".