22223481 has 16 divisors (see below), whose sum is σ = 33936768. Its totient is φ = 12672000.

The previous prime is 22223479. The next prime is 22223489. The reversal of 22223481 is 18432222.

It is not a de Polignac number, because 22223481 - 2¹ = 22223479 is a prime.

It is a super-2 number, since 2×22223481² = 987766215514722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22223489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13081 + ... + 14681.

It is an arithmetic number, because the mean of its divisors is an integer number (2121048).

Almost surely, 2^22223481 is an apocalyptic number.

22223481 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22223481 is a deficient number, since it is larger than the sum of its proper divisors (11713287).

22223481 is a wasteful number, since it uses less digits than its factorization.

22223481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272.

The product of its digits is 1536, while the sum is 24.

The square root of 22223481 is about 4714.1787195651. The cubic root of 22223481 is about 281.1495301385.

The spelling of 22223481 in words is "twenty-two million, two hundred twenty-three thousand, four hundred eighty-one".