22338545 has 4 divisors (see below), whose sum is σ = 26806260. Its totient is φ = 17870832.

The previous prime is 22338541. The next prime is 22338553. The reversal of 22338545 is 54583322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5438224 + 16900321 = 2332^2 + 4111^2 .

It is a cyclic number.

It is not a de Polignac number, because 22338545 - 2² = 22338541 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22338541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2233850 + ... + 2233859.

It is an arithmetic number, because the mean of its divisors is an integer number (6701565).

Almost surely, 2^22338545 is an apocalyptic number.

It is an amenable number.

22338545 is a deficient number, since it is larger than the sum of its proper divisors (4467715).

22338545 is an equidigital number, since it uses as much as digits as its factorization.

22338545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4467714.

The product of its digits is 28800, while the sum is 32.

The square root of 22338545 is about 4726.3669980229. The cubic root of 22338545 is about 281.6339204644.

The spelling of 22338545 in words is "twenty-two million, three hundred thirty-eight thousand, five hundred forty-five".