22223455 has 8 divisors (see below), whose sum is σ = 26863632. Its totient is φ = 17648448.

The previous prime is 22223429. The next prime is 22223473. The reversal of 22223455 is 55432222.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22223455 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

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, 15537 + ... + 16906.

It is an arithmetic number, because the mean of its divisors is an integer number (3357954).

Almost surely, 2^22223455 is an apocalyptic number.

22223455 is a deficient number, since it is larger than the sum of its proper divisors (4640177).

22223455 is a wasteful number, since it uses less digits than its factorization.

22223455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32585.

The product of its digits is 4800, while the sum is 25.

The square root of 22223455 is about 4714.1759619259. The cubic root of 22223455 is about 281.1494204964.

Adding to 22223455 its reverse (55432222), we get a palindrome (77655677).

The spelling of 22223455 in words is "twenty-two million, two hundred twenty-three thousand, four hundred fifty-five".