224312242 has 32 divisors (see below), whose sum is σ = 420526080. Its totient is φ = 87179280.

The previous prime is 224312227. The next prime is 224312243. The reversal of 224312242 is 242213422.

It is a super-2 number, since 2×224312242² = 100631963822133128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (224312243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70359 + ... + 73477.

It is an arithmetic number, because the mean of its divisors is an integer number (13141440).

Almost surely, 2^224312242 is an apocalyptic number.

224312242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

224312242 is a deficient number, since it is larger than the sum of its proper divisors (196213838).

224312242 is a wasteful number, since it uses less digits than its factorization.

224312242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606.

The product of its digits is 1536, while the sum is 22.

The square root of 224312242 is about 14977.0571875786. The cubic root of 224312242 is about 607.5998510419.

Adding to 224312242 its reverse (242213422), we get a palindrome (466525664).

The spelling of 224312242 in words is "two hundred twenty-four million, three hundred twelve thousand, two hundred forty-two".