22223154 has 16 divisors (see below), whose sum is σ = 45175680. Its totient is φ = 7286160.

The previous prime is 22223147. The next prime is 22223161. The reversal of 22223154 is 45132222.

It is an interprime number because it is at equal distance from previous prime (22223147) and next prime (22223161).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22223154.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29994 + ... + 30725.

It is an arithmetic number, because the mean of its divisors is an integer number (2823480).

Almost surely, 2^22223154 is an apocalyptic number.

22223154 is an abundant number, since it is smaller than the sum of its proper divisors (22952526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22223154 is a wasteful number, since it uses less digits than its factorization.

22223154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60785.

The product of its digits is 960, while the sum is 21.

The square root of 22223154 is about 4714.1440368321. The cubic root of 22223154 is about 281.1481511714.

Adding to 22223154 its reverse (45132222), we get a palindrome (67355376).

The spelling of 22223154 in words is "twenty-two million, two hundred twenty-three thousand, one hundred fifty-four".